Major investigation into ongoing gang feud which has seen properties firebombed and shots fired in city streets / Gang violence drives surge in firearm and firework possession among Dutch teens / Gangbuster: Police Minister Mark Mitchell's message to gangs - reform or be reformed! / 'The city is a jail': Haitian journalists get word out about gang violence / How gang violence gripped a tourist haven / Port-Au-Prince residents sheltering in place as gang violence escalates