Police are calling for witnesses in relation to an alleged sexual assault in Katherine yesterday afternoon.

Acting Sergeant Rob Engels from the Northern Investigation Section said at around 2pm a 14-year-old female accepted a lift from an unknown male at the intersection of Kirkpatrick Street and Victoria Highway.

“From there she was driven to an area on the Katherine River known as Flat Rock, where the alleged sexual assault took place.

“The offender is described as having a New Zealand accent, of solid build with black hair. He has a tribal style tattoo on his upper arm and a smaller tattoo on one of his wrists. He was driving a black vehicle with a rear spoiler.”

Anyone who may witnessed these people or the vehicle yesterday, or anyone who may have any further information is urged to contact Police on 131 444, Crime Stoppers on 1800 333 000.