An advance contingent of troops from Chad has arrived in Haiti to join a UN-backed force tasked with assisting Haitian security forces in combating powerful gangs controlling much of the capital, Port-au-Prince.

Drones operated by Haitian security forces and private contractors have killed at least 1,243 people and injured 738 others in less than a year, Human Rights Watch said Tuesday.

Human Rights Watch (HRW) reports that Haitian security forces and mercenaries have killed at least 1,243 people, including 17 children, with drone attacks over the past year.