KABUL - The death toll of a suicide bombing on a shrine in Afghan capital of Kabul on Tuesday has risen to 80, Afghan President Hamid Karzai said on Sunday. ?

"The death toll of suicide attack against mourners in Kabul on Ashura Day has heightened to 80," Karzai told audience at a meeting to mark international anti-corruption day here.

The bloody attack occurred on Tuesday Dec 6 when hundreds of mourners had gathered in Abul Fazil-ul-Abbas shrine in Murad Khani, an area some 300 meter away from the Presidential Palace to commemorate the day of Ashura, the martyrdom day of Imam Hussain and his 72 followers who were murdered in Karballa of Iraq in 680 AD.

The last figure released by Afghan Interior Ministry on Tuesday confirmed 55 people including four children and two women were killed and 134 others were injured

It is believed that some?seriously injured people in the suicide attack have died in the hospitals.

The number of civilian casualties has been soaring in the militancy-plagued Afghanistan as a total of 1,462 Afghan civilians have been killed in the first half of 2011 which indicates, a 15 percent rise in non-combatants' deaths compared with the same period in 2010, according to the United Nations mid-year report released in Kabul on July 14.

Karzai on Sunday?also vowed to fight administrative corruption in insugency-hit country.