THE United Nations mission in Libya has urged authorities to investigate the shooting deaths of 10 people in a Tripoli neighbourhood, with city security chiefs saying the victims included two members of a powerful armed faction. The U.N. said in a statement released on social media that the authorities should "prevent any actions that could lead to escalation and further violence". Libya has had little peace since a 2011 NATO-backed uprising and it split in 2014, with rival factions taking over different parts of the country. Although major warfare has paused since a 2020 ceasefire, different groups still wield control…