A man in his 20s has died following a crash in Co Down.
The accident happened in Newcastle Road in Castlewellan in the early hours of Friday. No other vehicles were involved.
Police have appealed for anyone who witnessed the incident, which happened at around 1.45am, to come forward.
Newcastle Road remained closed on Friday morning.
Witnesses can contact the PSNI's Collision Investigation Unit on 101.
Police later named the dead man as 28-year-old Daryl Shaw from the Castlewellan area.