A look at major attacks in Pakistan since the start of October:
_ Dec. 4: Gunmen and a suicide bomber attack a mosque in a military installation in Rawalpindi, killing at least 35.
_ Dec. 2: Suicide bomber kills 2 outside Pakistani navy headquarters in Islamabad.
_ Nov. 19: Suicide bomber kills 19 outside a courthouse in the main northwestern city of Peshawar.
_ Nov. 16: Suicide truck bomber attacks a police station in northwest, killing six.
_ Nov. 14: Suicide car bomber attacks a police checkpoint in northwest, killing 11.
_ Nov. 13: Suicide car bomber strikes regional headquarters of the main spy agency in Peshawar, killing 10. Second suicide bomber attacks police station in northwestern Bannu district, killing six.
_ Nov. 12: Gunmen kill a Pakistani working at the Iranian Consulate in Peshawar.
_ Nov. 10: Suicide car bomber attacks crowded market in northwest, killing 26.
_ Nov. 8: Suicide bomber hits crowded market in northwest, killing 12, including a mayor who once supported but had turned against the Taliban.
_ Nov. 2: Suicide bomber kills 35 outside bank near Pakistan's military headquarters in Rawalpindi.
_ Oct. 28: Car bomb explodes in a crowded market in Peshawar, killing at least 112.
_ Oct. 23: Suicide bomber kills seven close to a major air force complex in northwest.
_ Oct. 22: Militants shoot and kill a senior army officer and a soldier in Islamabad.
_ Oct. 20: Two suicide bombers attack the International Islamic University in Islamabad, killing six.
_ Oct. 16: Three suicide attackers hit a police station in Peshawar, killing 13.
_ Oct. 15: Teams of gunmen attack three security facilities in the eastern city of Lahore, leaving at least 28 people dead, including nine militants, while car bombs kill 11 in northwestern Kohat district and a 6-year-old boy in Peshawar.
_ Oct. 12: Suicide car bomb explodes near a market in the northwestern Shangla district, killing 41 including six security officers.
_ Oct. 10: Raid on the army headquarters in Rawalpindi leads to a 22-hour standoff that leaves nine militants and 14 others dead.
_ Oct. 9: Suicide car bomb in busy market area in Peshawar kills 53.
_ Oct. 5: Bomber dressed as a security official kills five staff members at the U.N. food agency's headquarters in Islamabad.