PORT-AU-PRINCE, Haiti (AP) — An unidentified man was shot dead Friday while students staged another demonstration in a week of small but raucous street protests in the capital’s downtown, authorities said.

Frantz Lerebours, spokesman for Haiti’s police force, said the young man was killed when a “civilian” hopped off the back of a passing motorcycle in the heart of Port-au-Prince and shot the victim. He said police were searching for the killer.