A suicide bomber rammed an explosives-laden car into the gates of the Indian embassy in Kabul on Monday, killing more than 40 people and wounding scores more, officials said.
The attack was the most deadly in the Afghan capital since the Taliban government was removed from power in late 2001 in a US-led invasion.
Here is a list of some of the most deadly attacks in Afghanistan since then.
July 7: A suicide car bomber kills more than 40 people in an attack on the Indian embassy in Kabul. Two Indian paramilitary troopers are among the dead.
April 17: A suicide bomb explodes outside a mosque in southwest Afghanistan, killing 24 people.
February 18: A Taliban suicide car bomber kills 37 civilians in an attack targeting Canadian troops in the border town of Spin Boldak.
February 17: A suicide attacker blows himself up at a dog-fighting match in Kandahar, killing more than 100 people. The Taliban denies involvement.
January 14: Taliban militants kill eight in a brazen suicide bomb and gun attack on the most upmarket hotel in Afghanistan, in the heart of Kabul.
November 6: Suicide blast at a sugar factory in Baghlan province kills nearly 80 people, many of them school children.
September 29: Taliban suicide bomb wrecks military bus in Kabul, killing 30 people.
September 10: Suicide bomber in rickshaw attacks police convoy in the southern town of Gereshk, killing 29 people.
June 17: Suicide bombing in Kabul on a police bus kills 35 people.
February 27: Twenty-four people are killed in an attack outside the main US military base at Bagram north of Kabul, while US Vice President Dick Cheney visits.
September 18: Thirteen people die in suicide attack near the main mosque in the western city of Herat. The same day, four Canadian soldiers and four Afghan policemen are killed in attacks in Kandahar and Kabul.
September 8: Two US soldiers and 14 Afghan civilians die in a suicide attack near the US embassy in Kabul.
August 3: Suicide attack in a bazaar in Kandahar province kills 21.
January 16: Suicide attack in the town of Spin Boldak, near the Pakistani border, kills at least 22 people.
June 1: Suicide attack at mosque in southern city of Kandahar kills 21, including the police chief of Kabul.
January 6: Fifteen die in bombing near a school in Kandahar.
August 13: Seventeen people are killed in bomb blast on a bus in southern Helmand province.
September 5: President Hamid Karzai escapes assassination attempt in Kandahar on the same day a car bomb in Kabul leaves around 30 dead.