The Northern Territory Police Force is seeking public assistance to locate 44-year-old Brandt Graham who escaped from Darwin Local Court while under the custody of G4S this morning.

Around 9:50am, the offender escaped custody from G4S court security at the Darwin Local Court and was last seen on CCTV walking into Tomaris Court. He may also have been sighted at Doctors Gully around 10:40am.

He is described as being a Caucasian male, approximately 185cm tall with a medium build, long brown hair and a short beard. He has a tattoo on his left wrist and was last seen wearing the dark-coloured t-shirt in the attached photo.

The public are urged not to approach him and to contact police immediately via 000 if sighted.

Anyone with information in relation to his whereabouts is urged to contact police, or to report anonymously via Crime Stoppers on 1800 333 000.