WASHINGTON — The United States shuttered its embassy in Libya on Saturday and evacuated its diplomats to neighboring Tunisia under U.S. military escort as fighting intensified between rival militias. Secretary of State John Kerry said “free-wheeling militia violence” prompted the move.

TRIPOLI, Libya — At the heart of the Libyan capital, the open-air Fish Market was once a place where residents went to buy everything from meat and seafood to clothes and pets. Now it’s Tripoli’s biggest arms market, with tables displaying pistols and assault rifles. Ask a vendor, and he can pull out bigger machine guns to sell for thousands of dollars.

BAGHDAD (AP) — Iraqi security forces backed by helicopters raided a Sunni protest camp before dawn Tuesday, prompting clashes that killed at least 36 people in the area and significantly intensified Sunni anger against the Shiite-led government.