October 15, 2011
Kenya declares war on al-Shabaab. Defence Minister Yusuf Haji and his Internal Security counterpart George Saitoti say military would pursue al- Shabaab across the border.
October 16, 2011,
Two Britons are arrested near the Kenya-Somalia border on suspicion of having links with al-Shabaab.
October 18, 2011
Kenya and Somalia seal pact to hit al-Shabaab.
0ctober 19, 2011
Deputy police spokesman Charles Wahongo confirms that the two Britons arrested near the Kenya-Somalia border have been deported.
October 20, 2011
Two doctors Dr Ali Omar Salim and Dr Adan Hassan Hillow are arrested at their clinic in Pumwani, Nairobi.
October 21, 2011
Dr Ali Omar Salim and Dr Adan Hassan Hillow are charged in a Nairobi court for allegedly being members of the al- Shabaab.
October 22, 2011
Reports indicate that increased vigilance along the Garissa-Thika-Nairobi highway has forced suspected al-Shabaab agents to seek out new routes to Nairobi, including passing through villages.
October 24, 2011
Two grenade attacks rock Nairobi, one at Mwaura’s Bar on Mfangano Lane and a second explosion at a crowded matatu terminus on Race Course Road, near the OTC bus stage, killing a man and injuring 28 people.
October 25, 2011
Police arrest Elgiva Bwire Oliacha alias Mohammed Saif and seize 13 grenades, an AK-47 assault rifle, four revolvers and a sub-machine gun.
October, 25, 2011
Dr Ali Omar Salim and Dr Adan Hassan Hillow, the two doctors charged with being members of Al-Shabaab, are freed on Sh200,000 bail each.
October 27, 2011
Two more al-Shabaab suspects are arrested. Police Commissioner Mathew Iteere reveals that Kenyans recruited by the al-Shabaab were responsible for the two grenade attacks that rocked Nairobi on October, 24.
October 28, 2011
Self-confessed Nairobi grenade attacker Elgiva Bwire Oliacha alias Mohammed Saif is jailed for life.
October 29, 2011
State offers amnesty to Kenyans in terror group.
November 3, 2011
Kenyan military arrest six men in Somalia on suspicion of being al-Shabaab members. Among the suspects were four Kenyans.
November 5, 2011
A grenade attack at Garissa’s Pentecostal Church leaves two people dead and five seriously injured.
November 19, 2011
Internal Security Permanent Secretary Francis Kimemia says police have arrested 60 suspected al-Shabaab militants who entered the country from Uganda en route to southern Somalia.
November 24, 2011
Four people are killed by blasts in border towns.
Three people are killed and scores wounded in twin grenade attacks in Garissa, one in Ngamia Road and the other at Chege’s Café.
Militants blow up a Kenya military truck using an improvised bomb and open fire on troops in Mandera. A soldier is killed and three others injured,
November 25, 2011
Five men suspected to be members of al-Shabaab militia group are arrested near Takwa ruins in Lamu aboard a speedboat that had been tracked from Somalia for violating the law governing Kenya’s territorial waters.
November 31, 2011
The State drops illegal entry charges against five Somalis and says it would question them to ascertain if they had not committed more serious crimes.
December 4, 2011
Security is tightened in Garissa.
December 5, 2011
An Administration Police officer is killed and three others critically injured in an explosion at IFO refugee camp in Garissa county.
December 11, 2011
Two separate explosions caused by roadside improvised explosive devices (IEDs) near the Somalia border leave an Administration Police officer dead, and two regular police officers injured in Mandera and nine Kenya Defence Forces soldiers wounded in Wajir when their truck ran over an explosive on the road.
December 12, 2011
An intelligence officer and his driver are injured in an explosion in Wajir, the third to occur in two days and blamed on al-Shabaab.
December 15, 2011
Twin grenade attacks in Garissa, one at Florida Hotel and the other at a local prison officers’ canteen at Bulaistin leave two people injured.
December 19, 2011
Two people are injured after gunmen shot at them in Garissa Town.
December, 21, 2011
Police officers escape unhurt after an explosion in Dadaab.
December 23, 2011
Police Commissioner Mathew Iteere says six suspected al-Shabaab militants have been arrested amid reports that the terrorist group planned to carry out attacks in Nairobi and Mombasa over the festive season.
December 24, 2011
Police arrest suspects Hussein Nderito and Sylvester Owino Opiyo when they presented themselves to anti-terrorism police officers in Nairobi about three hours after Police Spokesman Eric Kiraithe circulated their photographs and appealed to the public to report their whereabouts.
December 27, 2011
Mr Opiyo, Mr Nderitu and Mr Swaleh are released after police fail to prefer charges against them.
December 29, 2011
Sources say that police have arrested seven people in Wajir County suspected of being behind the recent spate of grenade attacks in North Eastern Province. One of the suspects was found in possession of materials used to make improvised explosive devices.
December 30, 2011
Sources say police are investigating a senior military officer over his alleged connection to a spate of grenade attacks in northern Kenya.
January 1, 2012
Four attackers in military uniform hurl a grenade at revellers celebrating the New Year at Locus night club in Garissa Town and indiscriminately spray bullets on hundreds fleeing from the blast at the packed club, killing five people and also killing an Administration Police officer at Bula Sheikh residential area as they fled.
January 11, 2012
About 100 heavily-armed attackers bomb an Administration Police camp in Gerille Division, Wajir, killing seven people, including three Administration Police officers. The attackers also steal a cache of assorted firearms, and abduct two government officials.
March 10, 2012
A series of explosions rocks Machakos bus station, Nairobi, killing six people and injuring 63.
March 31, 2012
A hand grenade and a home-made bomb are used in the simultaneous attacks at a prayer rally in Mtwapa and in a restaurant at Mombasa’s Tononoka area in which a man died and 33 other people were injured.
April 2, 2012
A special team drawn from the anti-terrorism police unit, the CID and ballistic experts is formed to lead investigations into the Mtwapa and Mombasa twin blast.
April 3, 2012
Internal Security Minister George Saitoti announces that police have arrested several suspects, including foreigners in connection with grenade attacks in Mombasa and Mtwapa.
April 29, 2012
A man attacks God House of Miracle Church in Ngara, Nairobi, where a worshipper is killed and 10 others seriously injured by a grenade.
May 6, 2012
Police say nine suspected al-Shabaab terrorists from Somalia have been arrested while trying to enter the country through Uganda.
May 15, 2012
Three grenades hurled at Bella Vista Club in Mombasa by unknown people kill a woman and injure five other people. The prime suspect in the attack, Yahya Thabit, is critically injured.
An AP officer is killed and four others seriously injured in Dagahaley, Lagdera Division, after the Land Cruiser they were travelling in was blown up by an explosive.
May 28, 2012
Explosive blows off the roof of Assanand’s House on Moi Avenue, killing one person and injuring 36 people. Prime Minister Raila Odinga, Deputy Prime Minister Musalia Mudavadi, Prof Saitoti and assistant minister for Internal Security Orwa Ojodeh tour the site.
Security officers and wananchi arrest a man of Somali origin near the scene.
Detectives call off security operations after failing to obtain vital clues that could help establish the cause of the explosion.
June 2, 2012
A man hurls a petrol bomb at the Nyerere Road Oil Libya petrol station in Kizingo. No one was injured.
Emrah Erdogan, alias Salahuddin al-Kurdi, a German of Turkish origin who police have linked to the May 28 terrorist attack at Assanands House, is arrested.
June 19 or 20, 2012?
Two Iranians are arrested on suspicion of being terrorists.
June 21, 2012
Iranian terror suspect leads officers to Mama Ngina Drive, Mombasa, where 15kg of material used in making explosives are seized.
June 23, 2012
The American embassy pulls out all its staff from Mombasa and warns its citizens of an imminent terrorist attack there.
June 24, 2012
An explosion at Jericho Beer Garden in Mishomoroni, Mombasa leaves four people dead and 30 injured and rips off the roof of a house next to the pub.
Police arrest an injured Mr Athuman Salim, 23, at the scene and handcuff him to a bed at the Coast General Hospital after he failed to explain what he was doing around the club at the time of the blast.
June, 25, 2012
Two Iranians, Mr Ahmad Abolafathi Mohammed and Mr Sayed Mansour Mousav arrested in Mombasa with 15 kilogrammes of explosive material are charged with terror-related offences.
July 1, 2012
Twin grenade and small arms attacks on churches in Garissa, one on Our Lady of Consolata Catholic Church and the other on the African Inland Church (AIC) kill 17 people and injure 66. The attackers executed two police officers on guard before attacking the worshippers.
July 3, 2012
Israel claims that two Iranians arrested in Nairobi were part of a Tehran-sponsored terror network that planned attacks on Israeli interests.
July 4, 2012
Al-Shabaab claims responsibility for the Garissa church massacre on July 1 as 83 suspects are held and security tightened in the region.
July 5, 2012
PCs, police chiefs moved in major security shake-up.
President Kibaki issues a stern warning to al-Shabaab militants, saying the government would not relent in its fight against terrorism. He adds that the security operation in Somalia will go on despite attacks.
July 6, 2012
The United States slaps three Kenyan businessmen with sanctions over alleged links to Somali terrorist group al-Shabaab. The
Kenya Defence Forces team is integrated into African Union Mission in Somalia.
Profiles of six Kenyans thought to be coordinating recruitment of local youths into al-Shabaab are released by the Kenya Defence Forces.
July 8, 2012
The government beefs up security in churches across the country following terrorist attacks.
July 9, 2012
Mr Athuman Salim Kassim, a suspect arrested in connection with the grenade attack at a bar in Mishomoroni, Mombasa, is released by the court after the prosecution said police had no evidence linking him to the attack.
The US government orders its staff to stay away from North Eastern Province.
July 16, 2012
Mr Thabit Jamaldin Yahya is charged with murder in connection with the Bella Vista night club attack in Mombasa.
July 18, 2012
Intelligence reports say al-Shabaab planning grenade attacks on one of the UN offices in Nairobi.
July 19, 2012
A blast went off at the Dubai shopping mall In Wajir and a second one rocked an area about 400 metres away,
The Israeli embassy in Nairobi repeat warnings of a global onslaught by terrorists, saying Kenya was among the countries targeted.
July 20, 2012
Nairobi police boss Anthony Kibuchi says al-Shabaab terrorists have issued threats that they would carry out massive destruction during the Holy Month of Ramadhan.
July 21, 2012
Police in Kitale arrest two terror suspects, Abraham Kemoi Setot and Caleb Anyela Onyango, who were on a mission to allegedly bomb the Umoja Catholic Church, a busy parish in the Eastlands area of Nairobi.
July 24, 2012
Abraham Kemoi Setot and Caleb Anyela Onyango are accused before a Kitale court of illegally possessing grenades as part of the foiled terrorist mission to bomb the Umoja Catholic Church in Nairobi.
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