Kabul Blast

Afghans carrying a body for funeral, who was killed in Tuesday's suicide attack in Kabul, Afghanistan, Wednesday, Dec. 7, 2011. A suicide bomber slaughtered 56 Shiite worshippers and wounded more than 160 others Tuesday outside a shrine where hundreds had gathered to commemorate the holiday of Ashoura, which honors the death of Imam Hussein, a grandson of the Prophet Muhammad, in 680 A.D. (AP Photo/Musadeq Sadeq)

Afghans pray over the grave of a victim who was killed in Tuesday's suicide attack in Kabul, Afghanistan, Wednesday, Dec. 7, 2011. A suicide bomber killed 56 Shiite worshippers and wounded more than 160 others Tuesday outside a shrine where hundreds had gathered to commemorate the holiday of Ashoura, which honors the death of Imam Hussein, a grandson of the Prophet Muhammad, in 680 A.D. (AP Photo/Musadeq Sadeq)

Afghans shout slogans during a funeral ceremony for a victim of Tuesday's suicide attack in Kabul, Afghanistan, Wednesday, Dec. 7, 2011. A suicide bomber killed 56 Shiite worshippers and wounded more than 160 others Tuesday outside a shrine where hundreds had gathered to commemorate the holiday of Ashoura, which honors the death of Imam Hussein, a grandson of the Prophet Muhammad, in 680 A.D. (AP Photo/Ahmad Jamshid)

Afghan touches and kisses the stones of a newly buried body, who was killed on Monday's suicide attack in Kabul, Afghanistan, Wednesday, Dec. 7, 2011. A suicide bomber slaughtered 56 Shiite worshippers and wounded more than 160 others Tuesday outside a shrine where hundreds had gathered to commemorate the holiday of Ashoura, which honors the death of Imam Hussein, a grandson of the Prophet Muhammad, in 680 A.D. (AP Photo/Musadeq Sadeq)

Afghans wait for arrival of bodies, who was killed on Monday's suicide attack in Kabul, Afghanistan, Wednesday, Dec. 7, 2011. A suicide bomber slaughtered 56 Shiite worshippers and wounded more than 160 others Tuesday outside a shrine where hundreds had gathered to commemorate the holiday of Ashoura, which honors the death of Imam Hussein, a grandson of the Prophet Muhammad, in 680 A.D. (AP Photo/Musadeq Sadeq)

A damaged car is seen at the scene of an explosion in Kandahar, south of Kabul, Afghanistan, Tuesday, Dec. 6, 2011. A bomb exploded and injured 6 Afghans, police officials said. (AP Photo/Allauddin Khan)

Afghan policemen are seen at the site of an explosion in Kandahar, south of Kabul, Afghanistan, Tuesday, Dec. 6, 2011. A bomb exploded and injured 6 Afghans, police officials said. (AP Photo/Allauddin Khan)

An Afghan Shiite man is seen after beating himself with knives during a Muharram procession in Kabul, Afghanistan, Tuesday, Dec. 6, 2011. A suicide bomber struck the crowd of Shiite worshippers at a mosque in Kabul on Tuesday, killing at least 54 people in the deadliest of two attacks on a Shiite holy day, the first major sectarian assaults since the fall of the Taliban a decade ago. (AP Photo/Musadeq Sadeq)

Victims of a suicide attack which struck a Muharram procession lie on the ground in Kabul, Afghanistan, Tuesday, Dec. 6, 2011. A suicide bomber struck a crowd of Shiite worshippers marking a holy day Tuesday in the Afghan capital as scores of people were killed in an unprecedented wave of violence against the minority Islamic sect in Afghanistan. (AP Photo)

Victims of a suicide attack which struck a Muharram procession lie on the ground in Kabul, Afghanistan, Tuesday, Dec. 6, 2011. A suicide bomber struck a crowd of Shiite worshippers marking a holy day Tuesday in the Afghan capital as scores of people were killed in an unprecedented wave of violence against the minority Islamic sect in Afghanistan. (AP Photo)

Smoke and dust rises at the scene of a suicide attack which struck a Muharram procession in Kabul, Afghanistan, Tuesday, Dec. 6, 2011. A suicide bomber struck a crowd of Shiite worshippers marking a holy day Tuesday in the Afghan capital as scores of people were killed in an unprecedented wave of violence against the minority Islamic sect in Afghanistan. (AP Photo)

Victims of a suicide attack which struck a Muharram procession lie on the ground in Kabul, Afghanistan, Tuesday, Dec. 6, 2011. A suicide bomber struck a crowd of Shiite worshippers marking a holy day Tuesday in the Afghan capital as scores of people were killed in an unprecedented wave of violence against the minority Islamic sect in Afghanistan. (AP Photo)

Victims of a suicide attack which struck a Muharram procession lie on the ground in Kabul, Afghanistan, Tuesday, Dec. 6, 2011. A suicide bomber struck a crowd of Shiite worshippers marking a holy day Tuesday in the Afghan capital as scores of people were killed in an unprecedented wave of violence against the minority Islamic sect in Afghanistan. (AP Photo)

Afghans are seen near the scene of a suicide attack in Kabul, Afghanistan, Tuesday, Dec. 6, 2011. A suicide bomber struck a crowd of Shiite worshippers marking a holy day Tuesday in the Afghan capital killing scores of people in an unprecedented wave of violence against the minority Islamic sect in Afghanistan. (AP Photo/Musadeq Sadeq)

Afghan investigation members, right, take notes, as a man carries belongings at the scene of a suicide attack in Kabul, Afghanistan, Tuesday, Dec. 6, 2011. A suicide bombing tore through a crowd of Shiite worshippers marking a holy day Tuesday in the Afghan capital, the deadliest of twin attacks that killed scores of people in a rare burst of violence targeting the minority Islamic sect. (AP Photo/Musadeq Sadeq)

An Afghan police officer stands guard at the scene of a suicide attack in Kabul, Afghanistan, Tuesday, Dec. 6, 2011. A suicide bombing tore through a crowd of Shiite worshippers marking a holy day Tuesday in the Afghan capital, the deadliest of twin attacks that killed scores of people in a rare burst of violence targeting the minority Islamic sect. (AP Photo/Musadeq Sadeq)