TIMELINE: Major bomb attacks in Pakistan
(Reuters) - Two suicide car bombers struck in the Pakistani city of Lahore on Tuesday, killing 24 people and wounding scores, most of them in an attack on a government security office, police and officials said.
More than 500 people have been killed in Pakistan this year in militant-related violence, including a campaign of suicide bombings.
Here is a chronology of some of the worst bomb attacks since July 2007:
July 14, 2007 - Suicide car-bomber kills 24 paramilitary soldiers and wounds 29 in North Waziristan.
July 15 - Sixteen 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.
July 17 - Suicide bomber kills 16 people outside court in Islamabad where country's suspended chief justice, Iftikhar Chaudhry, was due to speak.
July 19 - Three suicide attacks in a single day in three towns kill at least 52 people.
July 27 - Suicide bomb attack in a restaurant near Islamabad's Red Mosque kills 13 people, most of them policemen.
September 4 - Two suicide bombers kill 25 in Rawalpindi.
September 11 - Suicide bomber kills 16 people in northwest Dera Ismail Khan.
Sept 13 - At least 15 soldiers killed in suicide bombing in an army canteen near Islamabad.
October 19 - At least 139 people killed in suicide bomb attack on former prime minister Benazir Bhutto's motorcade as she is driven through Karachi after arriving home from eight years of exile.
October 25 - Suspected suicide bomber kills 21 people, including 17 soldiers, in an attack on an army convoy in Swat.
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.
December 17 - A suicide bomber kills 10 military recruits in the northwestern town of Kohat.
December 21 - A suicide bomber kills at least 41 people in a mosque in northwest Pakistan during Eid festival prayers.
December 27 - Bhutto is killed in a bomb attack after a rally in Rawalpindi. More than 20 others are killed in the attack.
January 10, 2008 - A suicide bomber walks up to policemen outside the High Court in Lahore and sets off explosives. Nineteen people are killed, 16 policemen and 3 passers-by.
February 22 - A roadside bomb kills 13 members of a wedding party, including the bride, in Swat.
February 29 - A suicide attack on a police funeral in the district of Swat kills 40 people.
March 2 - At least 40 people are killed when a suicide bomber attacks a traditional tribal meeting in the tribal region of Darra Adam Kheil.
March 11 - Two suicide car bombers strike, killing 24 people, most of them in an attack on a government security office in Lahore.
(Writing by Nagesh Narayana and David Cutler)
