SEREMBAN: The Wildlife and National Parks Department (Perhilitan) has been forced to cull seven adult lotong (dusky leaf monkeys, also known as dusky langurs) in an operation in Port Dickson as these had caused serious injuries to humans on three occasions this year. Perhilitan said all seven monkeys were aggressive and had to be put down after attempts to trap or relocate them failed. It also debunked reports on social media that its officers 20 dusky leaf monkeys were shot and killed in an operation at Batu 2, Jalan Pantai on May 19. "There were no juveniles culled in the operation as mentioned in the viral reports.