Some of the deadliest insurgent attacks in Afghanistan since the U.S.-led offensive began on Oct. 7, 2001:

July 7, 2008 _ A suicide car bomb detonates at the gates of the Indian Embassy in Kabul, killing 40 people.

Feb. 18, 2008 _ A suicide car bomber trying to hit a Canadian military convoy kills 38 Afghans at a crowded market in Spin Boldak, Kandahar province.

Feb. 17, 2008 _ A suicide bomber penetrates a crowd watching a dogfighting competition in the Taliban’s former stronghold of Kandahar, killing more than 100 people.

Nov. 6, 2007 _ Six lawmakers are killed by a suicide bomber in northern Baghlan province during a visit to a sugar factory. Sixty-one students also die in the bombing and the subsequent shooting by guards.

Sept. 29, 2007 _ A suicide bomber in an Afghan army uniform blows himself up on military bus in Kabul, killing 28 soldiers and two civilians.

Sept. 10, 2007 _ A suicide bomber on a motorized rickshaw attacks in busy market in Gereshk in Helmand province, killing 28 people, including 13 police.

June 17, 2007 _ A bomb rips through a bus carrying police instructors in Kabul, killing 35 people.

May 20, 2007 _ A suicide bomber detonates himself in a crowded market in the eastern city of Gardez, killing 14.

Feb. 27, 2007 _ A suicide bomber detonates himself outside the main U.S. base at Bagram Air Field, killing 23 people, during a visit by Vice President Dick Cheney.

Sept. 30, 2006 _ A suicide bomber outside the gates of the Interior Ministry in Kabul kills 12 people.

Sept. 26, 2006 _ A suicide bomber on foot kills 18 outside the compound of Helmand’s provincial governor in the town of Lashkar Gah.

Sept. 8, 2006 _ A car bomber rams a U.S. convoy in Kabul, killing 16, including two American soldiers.

Aug. 28, 2006 _ A suicide bomber targets an ex-police chief in Lashkar Gah, killing 21 civilians.

Aug. 3, 2006 _ 21 civilians are killed in a suicide car bombing near Canadian military vehicles in a market in Kandahar province.

Jan. 16, 2006 _ A man with explosives strapped to his body drives a motorbike into a crowd watching a wrestling match in Kandahar province and kills 21 people.

Jan. 5, 2006 _ A militant blows himself up in a town in central Uruzgan province during a supposedly secret visit by the U.S. ambassador, killing 10 Afghans.

June 1, 2005 _ A suspected al-Qaida fighter detonates explosives strapped to his body in a mosque in Kandahar city, killing 20 worshippers.

Aug. 13, 2003 _ An explosion tears apart a bus in southern Afghanistan, killing at least 15 civilians.

Sept. 5, 2002 _ A car bomb in Kabul kills 30 people and wounds 167.