US warplanes on Monday launched a new round of airstrikes against Islamic State militants in Libya, a campaign that is expected to last at least the next several days, the Pentagon has confirmed.

“Today, at the request of the Libyan Government of National Accord (GNA), the United States military conducted precision airstrikes against ISIL targets in Sirte, Libya, to support GNA-affiliated forces seeking to defeat ISIL in its primary stronghold in Libya,” Pentagon Press Secretary Peter Cook said in a statement, which references one of the Islamic State group’s acronyms.

Sirte, located along the Libyan coast, is the scene of prior limited US airstrikes targeting a growing militant presence there. Monday’s strikes were conducted by a combination of manned and unmanned aircraft, defense officials said.

Defense officials will not say whether there are any U.S. forces on the ground in Libya. […]