Islamic State Attacks Sikh Temple in Kabul, Killing 25

KABUL—Islamic State militants stormed a Sikh temple in the heart of Kabul, killing 25 worshipers and taking dozens of people hostage in a prolonged siege that once again exposed the ability of insurgents to carry out attacks in the Afghan capital.

Dozens of Sikh worshipers were gathering for morning prayers on Wednesday when two gunmen pretending to be bodyguards stormed the temple, according to an Afghan security official. Men, women and children scrambled out of the compound as...