National security threat

Kabul blast: Afghanistan mourns protest bombing victims

Afghanistan is observing a day of national mourning following the suicide bombing of a protest march in the capital, Kabul, that killed 80 people and wounded 230.

So-called Islamic State (IS) has said it was behind Saturday's attack on members of the Shia Hazara minority.

In a televised address, President Ashraf Ghani vowed to take revenge against those responsible.

The UN mission in Afghanistan has described the attack as a "war crime".

Tadamichi Yamamoto, head of the UN assistance mission, said the attackers had specifically targeted a large number of civilians.