A Tripoli health agency said 27 people were killed and more than 100 injured in the violence, without saying if the figure included both combatants and civilians. The Special Deterrence Force and the 444 Brigade are two of the strongest military forces in Tripoli and their fighting from late on Monday rocked districts across the capital. Libya has had little peace or security since a 2011 NATO-backed uprising and it split in 2014 between warring eastern and western factions. An assault by eastern forces on Tripoli, in the west, collapsed in 2020 leading to a ceasefire that has halted most major warfare. Turkey, which backed the Tripoli government, maintained a military presence in Libya.