A governing council tasked with filling a leadership vacuum in Haiti and restoring a semblance of order is formally installed in the Caribbean nation that has been rocked by an explosion of gang violence. A look back at the armed gang violence that has convulsed Port-au-Prince in recent weeks as armed gangs seeking the ouster of Prime Minister Ariel Henry have wreaked havoc in the Haitian capital, killing residents, setting government buildings on fire and attacking a prison to help inmates escape. Henry announced his resignation mid-March. A RECAP OF recent unrest in Haiti's capital Port-au-Prince