Man arrested after teenage boy dies in road crash
Motorcyclist dies in separate Northern Ireland road crash
A teenager and a man in his 20s have died following two separate road accidents - both of which took place on Saturday evening.
The first accident involved a car and motorbike happened at Crossgar Road, Saintfield, Co Down at about 5.40pm on Saturday.
The motorcyclist died later in hospital from his injuries and has been named as 28-year-old Barry Bell from the Belvoir area of Belfast.
Inspector Lynsey Barr from the Police Service of Northern Ireland appealed for anyone witnesses to contact police in Downpatrick or officers at the PSNI's Collision Investigation Unit on 101.
The Crossgar Road was closed for a number of hours but re-opened at around 1.45am on Sunday.
Meanwhile, a teenage boy died after being struck by a car in Coleraine, Co Derry.
It happened at Newbridge Road at about 6.30pm on Saturday.
The white car failed to stop at the scene but was traced to Magherafelt several hours later.
A 23-year-old man was arrested on suspicion of dangerous driving causing death and a number of other offences.
He remains in police custody.
Police have appealed for any witnesses to come forward.