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Libyan officials say they have arrested four people in connection with the attack on the Benghazi embassy, though it isn't clear what role they might have played in the assault. Prime Minister Mustafa Abushagur announced one of the arrests on CNN Thursday night, and the deputy interior minister said elsewhere that the men are being "interrogated" because "they are suspected of helping instigate the events." They were identified by witnesses as having been at the embassy on Tuesday night, but no formal accusations or charges have been made against them. 

Meanwhile, it was announced Friday morning that all air space over the city of Benghazi has been closed due to unspecified "security fears." No one has said if that "no-fly" rule also includes the U.S. surveillance drones that have reportedly been patrolling the skies over eastern Libya or if it has anything to do with the ongoing investigation. The FBI is on the scene investigating any connection to local terrorist groups, an even though U.S. military assets have been moved to the region, they are not yet involved in the hunt. The no-fly zone is meant to last for at least 48 hours, so if there is any sort of military action planned it may come sooner than expected.

Update: Despite the report that the no-fly zone would be in effect for two days, the Benghazi air space has been reopened.

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