Militants attacked a hotel popular with foreigners in the Pakistani city of Peshawar with guns and a truck bomb on Tuesday, killing five people including a UN worker, authorities said.
Following is a timeline of major attacks in 2009:
Feb 5 - At least 24 people are killed in a suspected suicide bombing near Shi'ite mosque in Dera Ghazi Khan, central Pakistan.
Feb 20 - Suicide bomber kills 27 people and wounds 65 in an attack on a funeral procession for a Shi'ite Muslim killed a day earlier in Dera Ismail Khan town.
March 3 - Gunmen attack a bus carrying Sri Lanka's cricket team outside a Lahore stadium, killing seven people, including six policemen and a driver, and wounding six of the cricketers and a British coach.
March 27 - A suicide bomber kills 37 people when he blows himself up in a crowded mosque near the Afghan border. Among the dead are 14 policemen and paramilitary soldiers.
March 30 - Militants armed with guns and grenades storm a police training centre in Lahore killing eight recruits, wounding scores and holding off police and troops for eight hours. The attack is claimed by Pakistani Taliban leader Baitullah Mehsud. Four militants are killed and three arrested.
April 5 - A suicide bomber blows himself up in a religious centre for minority Shi'ite Muslims in Chakwal in central Pakistan. At least 17 people are killed and about 11 seriously wounded. The attack comes a day after a suicide attack in Islamabad killed eight paramilitary soldiers.
April 15 - A suicide car-bomber blows himself up at a security post in the northwest, killing nine policemen and three civilians.
April 18 - A suicide car-bomber rams a military convoy, killing 25 soldiers and police and two passers-by near Kohat, 190 km (120 miles) west of Islamabad.
April 25 - Twelve children who mistake a bomb for a toy are killed when it explodes as they play with it in the Low Dir district near Swat. Authorities say it is unclear whether the incident is an "act of terrorism" or an accident.
May 11 - Ten people are killed and more than a dozen wounded in a suicide car bomb attack on a security checkpost near Peshawar.
May 16, 2008 - Car packed with mortar bombs blows up in the northwestern city of Peshawar, killing 11 people, including four children passing in a school bus.
May 27 - Gunmen attack a police headquarters in the Pakistani city of Lahore, setting off a car-bomb that killed at least 24 people.
May 28 - Two bombs explode in a market in the northwestern Pakistani city of Peshawar, killing six people.
June 5 - A suicide bomber killed around 40 people at a mosque in northwest Pakistan as US special envoy Richard Holbrooke consulted the country's leaders on what needs to be done once the army eliminates the Taliban in Swat valley.
June 9 - Militants attack the Pearl Continental Hotel, which is popular with foreigners, in the Pakistani city of Peshawar with guns and a truck bomb killing five people including a UN worker, authorities say.