
More than 500 people have been killed in Pakistan this year in militant-related violence. Here is a chronology of some of the worst bomb attacks since July 2007:
8226; July 14, 2007: Suicide car-bomber kills 24 paramilitary soldiers and wounds 29 in North Waziristan.
8226; July 15: 16 people, most of them paramilitary soldiers, are killed in suicide-bomb ambush on patrol in Swat Valley in North West Frontier Province NWFP. Separately, suicide bomber targets police recruits in Dera Ismail Khan in NWFP, killing 29.
8226; July 17: Suicide bomber kills 16 people outside court in Islamabad where country8217;s suspended Chief Justice, Iftikhar Chaudhry, was due to speak.
8226; July 19: Three suicide attacks in a single day in three towns kill at least 52 people.
8226; July 27: Suicide bomb attack in a restaurant near Islamabad8217;s Lal Masjid kills 13 people, most of them policemen.
8226; September 4: Two suicide bombers kill 25 in Rawalpindi.
8226; September 11: Suicide bomber kills 16 people in northwest Dera Ismail Khan.
8226; September 13: At least 15 soldiers killed in suicide bombing in an army canteen near Islamabad.
8226; October 19: 139 people killed in suicide bomb attack on former prime minister Benazir Bhutto8217;s motorcade as she is driven through Karachi after arriving home from eight years of exile.
8226; October 25: Suspected suicide bomber kills 21 people, including 17 soldiers, in an attack on an army convoy in Swat.
8226; November 24: Twin suicide car bomb attacks kill 15 people in Rawalpindi, on the eve of the return of former Prime Minister Nawaz Sharif from exile in Saudi Arabia.
8226; December 17: A suicide bomber kills 10 military recruits in the northwestern town of Kohat.
8226; December 21: A suicide bomber kills at least 41 people in a mosque in northwest Pakistan during Eid festival prayers.
8226; December 27: Benazir Bhutto is killed in a bomb attack after a rally in Rawalpindi. More than 20 others are killed in the attack.
8226; January 10, 2008: A suicide bomber walks up to policemen outside the High Court in Lahore and sets off explosives. 19 people are killed, 16 policemen and 3 passersby.
8226; February 22: A roadside bomb kills 13 members of a wedding party, including the bride, in Swat.
8226; February 29: A suicide attack on a police funeral in the district of Swat kills 40 people.
8226; March 2: 40 people are killed when a suicide bomber attacks a traditional tribal meeting in the tribal region of Darra Adam Kheil.
8226; March 11: Two suicide car bombers strike, killing 24 people, most of them in an attack on a government security office in Lahore.