“Four American military personnel were detained by the Libyan government on Friday and held in custody for several hours before being released, U.S. officials said.
State Department spokeswoman Jen Psaki said President Barack Obama’s administration was looking into the incident, but confirmed that ‘all four U.S. military personnel being held in Libyan government custody have been released.'”
Source:U.S. military personnel released after being held by Libya government | Reuters