POLICE have arrested a 23-year-old man after a young girl was knocked down and seriously injured in a hit-and-run crash in Derry.
The girl, aged seven, sustained serious injuries in the smash.
Paramedics tended to her at the scene before rushing her by ambulance to Altnagvelvin hospital for treatment following the incident a blue motorcycle.
The PSNI say she was struck at Creggan Heights around 7.40pm on Friday evening.
The man in his 20s has been arrested on suspicion of dangerous driving causing grievous bodily injury, failing to stop and failing to remain.
He is currently helping police with their inquiries.
Police have appealed to anyone who was in the area and witnessed the accident or has any information as to the whereabouts of the blue motorcycle to contact them at Strand Road on 0845 600 8000.