A Libyan official says militants with links to the extremist Islamic State group have killed two policemen at a checkpoint east of Libya.
Security official Ahmed al-Gabiely says the attack took place early on Tuesday in the eastern town of el-Agheila when the armed men "slit a police officer's throat" and killed another in a shootout with security forces manning the checkpoint.
He says the group later attacked a police station, raised the militant Islamic black flag atop the building and burned several police and ambulance vehicles.
At least four people were reported missing after the attack.
Al-Gabiely says the group has carried out similar attacks over the past months.
Libya sank into lawlessness following a 2011 uprising that toppled and later killed a longtime dictator Muammar Gaddafi.
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