IMAGES have been released of a man police are hunting over alleged sex assaults.

A 17-year-old girl reported being touched on the buttocks as she walked past a particular man while leaving a 541 bus at Loughton on three days in October.

The student was allegedly groped on October 12, 15 and 17.

Investigating officers at Ongar police station have retrieved CCTV from the bus and are asking witnesses to contact them.