ISIS claims suicide attack at mosque in Afghan capital

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Afghan security personnel and residence gather outside a mosque after a suicide attack that targeted a Shiite mosque in Kabul on August 25, 2017. A suicide bomber and gunmen attacked a Shiite mosque in an ongoing attack in the Afghan capital of Kabul on August 25, officials said, the latest assault to highlight the war-torn country's deteriorating security situation. / AFP PHOTO / WAKIL KOHSAR

KABUL, Afghanistan — ISIS is claiming responsibility for an attack Friday on a Shiite Muslim mosque in the Afghan capital of Kabul that authorities said left 20 people dead.

The attack began early Friday afternoon when one of three attackers blew himself up at the gate of the Imam Zaman Mosque as worshippers were attending Friday prayers, according to Interior Ministry spokesman Najib Danish. The remaining attackers stormed the mosque and fired on security forces.

Authorities killed the gunmen after a nearly four-hour firefight, Danish said.

At least 20 people have died, and 50 others were injured, according to Ismail Kawosi, a spokesman for the Ministry of Public Health. Earlier, officials said two police officers were among the dead.

ISIS claimed responsibility, saying in a statement posted by its Amaq News Agency that suicide bombers from the group attacked the mosque.

It’s at least the second time this month that ISIS has claimed responsibility for an attack targeting Shiite worshippers in Afghanistan.

The terror group also said it was behind a dual suicide blast at a mosque in the western city of Herat on August 1. That attack killed more than 30 people as they gathered for evening prayers, according to local officials.