A suicide bombing that killed more than 60 people and wounded nearly 100 others on Monday at a gathering of lawyers on the grounds of a government-run hospital in the southwestern city of Quetta was the latest in a string of mass killings by militant groups around Pakistan.
Here is a look at some major attacks in the past six years in Pakistan by militants.
2016:
March 27: A bombing on Easter Sunday kills 65 people in a park in the eastern city of Lahore that was crowded with Christians, including many children
March 16: A bomb rips through a bus carrying Pakistani government employees in the volatile northwestern city of Peshawar killing 15 people.
January 20: Islamic militants storm a school in Charsadda northeastern Pakistan in a deadly attack that lasted for hours. At least 20 people were killed and 23 are wounded
2015:
September 18: Taliban storm a military air base used as a residential area on the outskirts of Peshawar, killing 29 people, including 16 who were praying inside a mosque.
August 16: A suicide bombing at the home of Punjab province’s home minister Shuja Khanzada kills 18 people, including the minister and a senior police officer.
May 29: Gunmen hijack a bus and kill 22 people near Pishin district in southwestern Baluchistan province.
May 13: Gunmen storm a bus carrying Shiite Muslims in southern city of Karachi and kill 45 people.
April, 11: Gunmen in restive southwestern Pakistan kill 20 workers at a dam construction site.
February 14: Taliban militants storm a Shiite mosque in the city of Peshawar, killing 20 people.
January 30: A suicide bombing at a Shiite mosque in southern city of Shikarpur kills 59 people.
2014:
December 16: Militants attack an army run school killing over 150 people, mostly children.
November 2: Taliban suicide bomber kills 60 in attack on a paramilitary checkpoint close to the Wagah border crossing with India.
June 9: Ten gunmen disguised as police guards attack a terminal at Pakistan’s busiest airport with machine guns and a rocket launcher, killing 13 people during a five-hour siege.
June 8: A suicide bomber in the country’s southwest killed at least 23 Shiite pilgrims returning from Iran.
2013:
September 22: A twin suicide bomb blast in a Peshawar church kills at least 85 people.
August 17: Heavily armed Taliban fighters blast their way into a Pakistani air force base, leaving two security officers and nine insurgents dead.
June 22: 10 Foreign climbers are killed by militants on Nanga Parbat, ninth highest mountain in world.
March 3: Explosion in Karachi kills 45 Shiites outside a mosque.
January 10: Bombing in Shiite area of southern city of Quetta kills 81 people.
2012:
November 22: A Taliban suicide bomber struck a Shiite Muslim procession in the city of Rawalpindi, near Pakistan’s capital, killing 23 people.
January 5: Taliban shoot and kill 15 Pakistani frontier police after holding them hostage for more than a year.
2011:
September 20: Militants kill at least 26 Shiites on a bus near the southern city of Quetta.
May 23: Pakistani commandos recapture a major naval base from Taliban attackers who struck to avenge the killing of Osama bin Laden in a US raid. Militants destroyed two US-supplied surveillance aircraft and killed at least 10 personnel.
May 13: A pair of Taliban suicide bombers attacks paramilitary police recruits in Shabqadar, killing 80, also in retaliation for bin Laden’s killing.
