A U.S. passenger aircraft came under fire while flying to Port-au-Prince, Haiti, on Monday, forcing it to divert its course. The Spirit Airlines passenger plane, which had departed from Fort Lauderdale, was struck by gunfire and had to make an emergency landing in Santiago, Dominican Republic. While one crew member sustained injuries, all passengers emerged unharmed. This incident underscored Haiti’s growing security crisis as the country struggles with surging gang violence. A prominent gang leader, Jimmy “Barbecue” Cherizier, has recently threatened to intensify armed activities in Port-au-P…