TIMELINE: Deadliest insurgent attacks in Pakistan
ISLAMABAD, Pakistan – At least 65 people have been killed and hundreds more injured by an explosion in a crowded park in the Pakistani city of Lahore, where Christians were celebrating Easter.
The death toll is expected to rise. No group has yet claimed responsibility.
Here is a list of major attacks by militant groups, including the Pakistani Taliban, since 2007:
October 18: Bomb attacks targeting former prime minister Benazir Bhutto kill 139 people in Karachi as she returns to Pakistan for the first time in 8 years. She was killed in another gun and suicide attack on December 27.
August 21: Twin suicide attacks kill 64 people outside Pakistan's main arms factory in Wah near Islamabad.
September 20: Sixty people are killed when a suicide truck bomb brings down part of the five-star Marriott hotel in Islamabad.
October 28: A car bomb destroys a market in the northwestern city of Peshawar, killing 125 people.
January 1: A suicide car bomb kills 101 people at a village volleyball game in the northwestern district of Bannu.
March 12: Twin suicide attacks on the military in Lahore kill 57.
May 28: Gun and suicide attackers storm mosques belonging to the Ahmadi religious minority in Lahore, killing 82 people.
July 9: A suicide bomber blows himself up in a busy market in the northwestern Mohmand tribal district, killing 105 people.
September 3: A suicide attack kills 59 at a Shiite Muslim rally in the southwestern city of Quetta.
November 5: A suicide bomber kills 68 people during Friday prayers in the northwest's Darra Adam Khel area.
April 3: Fifty die after two suicide bombers attack a Sufi shrine in the central town of Dera Ghazi Khan.
May 13: Two suicide bombers kill at least 98 people outside a police cadet training centre in Charsadda.
August 19: A suicide bomber hits a mosque during Friday prayers in the tribal district of Khyber, killing at least 43.
January 11: Thirty-five die when a remote-controlled bomb detonates in a market in the northwestern tribal areas.
August 16: Gunmen drag 20 Shiite Muslims off a bus and shoot them in the northwestern district of Mansehra.
January 10: A double suicide attack on a snooker club kills 92 in a Shiite Hazara neighborhood of Quetta.
February 16: A bomb at a market at Hazara Town, a Shiite Hazara neighbourhood in the suburbs of Quetta, kills 89.
March 3: A car bomb explodes in a Shiite Muslim neighbourhood in Karachi, killing 45.
July 27: Twin explosions at a busy marketplace in northwest Pakistan kill 41.
August 9: A suicide bomber targets the funeral of a senior police officer in Quetta, killing 38.
September 22: Eighty-two people die when two suicide bombers attack a church in Peshawar after a Sunday service.
September 29: A car bomb in a busy market area in Peshawar kills 42.
January 19: A bomb rips through a military convoy in the northwestern city of Bannu, killing 20 soldiers.
January 21: A bomb on a bus kills 24 Shiite pilgrims in the southwestern province of Balochistan.
June 10: Ten Taliban militants lay siege to Karachi airport, killing 27 people.
November 2: Fifty-five people are killed by a suicide bomber at the daily closing ceremony at the main Pakistan-India border crossing.
December 16: Taliban insurgents storm an army-run school in Peshawar, killing more than 150 people, the majority of them children.
January 30: Sixty-two people are killed as a suicide bomber hits a Shiite mosque in the Shikarpur district.
February 13: Militants attack a Shiite mosque in Peshawar, killing 22.
March 15: The Taliban kill 17 people in twin suicide attacks that targeted churches in Lahore.
May 13: Forty-three Shiite Muslims are killed when gunmen open fire on their bus in Karachi.
September 18: The Pakistani Taliban attack an air force base near Peshawar and kill at least 29 people, most of them servicemen.
October 23: A suspected suicide blast which targeted Shiite Muslims in the southern city of Jacobabad kills 24.
December 13: A bomb rips through a crowded bazaar in a mainly Shiite area of Pakistan's northwestern tribal region, killing at least 23.
December 29: A Taliban suicide bomber on a motorcycle kills 26 in the northwestern town of Mardan.
January 20: Taliban gunmen attack a university in Charsadda, killing at least 21.
March 27: At least 65 people are killed and hundreds injured in an explosion near a park in Lahore. – Rappler.com