Four persons were killed as a suicide bomber detonated a bomb at the funeral ceremony of a provincial governor in southeast Afghanistan Monday.

A man strapped explosive device in his body exploded himself at the funeral ceremony of Hakim Taniwal in Tanai district of Khost province today, killing self and three others," a local police told Xinhua on condition of anonymity.

A large number of government official were also present at the funeral ceremony.

Taniwal, the late governor of Paktia province and his two colleagues were killed when a suicide bomber rammed into his car outside his office Sunday.

However, authorities in the capital city have yet to make comments.

"Yes, I confirm that there was an explosion in Khost province today but we have not received information so far," an official at the office of Interior Ministry spokesman told Xinhua but refused to be identified.

More than 2,300 people mostly militants, according to military officials have been killed in the post-Taliban nation since January this year.

Source: Xinhua