Chadian police arrived on Wednesday.
They are part of a UN-backed gang-suppression force.
The force aims to support Haitian security against powerful gangs.
Strategic angle: An advance contingent of police from Chad has arrived in Haiti to assist in combating gang violence.
Chadian police arrived on Wednesday.
They are part of a UN-backed gang-suppression force.
The force aims to support Haitian security against powerful gangs.