KABUL, Afghanistan (AP) — Gunmen opened fire Friday at a ceremony in Afghanistan's capital attended by prominent political leaders, killing at least 32 people and wounding dozens more before the two attackers were slain by police, officials said.

The Islamic State group claimed responsibility for the attack in a statement on its website.

Militants from IS have declared war on Afghanistan's Shiites, and many of those at the ceremony were from the minority Shiite sect. The ceremony commemorated the 1995 slaying of Abdul Ali Mazari, the leader of Afghanistan's ethnic Hazaras, who are mostly Shiit...