Police have released a CCTV image of someone they wish to trace following a sexual assault on the Metro.
The incident happened at 4.30pm, on Thursday, November 6.
A 16-year-old girl was on a Metro passing through Gateshead when she was sexually assaulted by being touched over her clothing.
Police are keen to trace the man pictured as he may have information to assist with enquiries.
Anyone with information should contact police on 101, extension 69191, quoting log number 879 06/11/14 or the independent charity Crimestoppers on 0800 555 111.