Heavy clashes between Libyan soldiers loyal to a renegade general and Islamist-led militias killed 38 people, health officials said Sunday, as fighting between rival militias around the capital’s international airport raged on and European nations warned their citizens to leave.

Forces loyal to Gen. Khalifa Hifter battled militias in the eastern city of Benghazi in clashes that started Saturday and continued through early Sunday morning, a security official said. Commando forces regained control of four military camps captured by Islamist militias in the past few days, the official said. The fighting killed eight militia fighters, including the brother of an alleged leader of an al-Qaida-inspired group, the official and a militia website statement said.

The statement published on the website of the powerful Islamist militia Rafallah Sahati confirmed the death of Ahmed al-Zahawi, brother of Mohammed al-Zahawi, the leader of Ansar al-Shariah. U.S. officials believe Ansar al-Shariah was behind the Sept. 11, 2012, attack in Benghazi that killed U.S. Ambassador Chris Stevens and three other Americans. […]