Four suspected car hijackers have been arrested by police in west Belfast.

Two women were pulled out of a parked car in the Slievegallion Drive area by masked men, including one who was armed with a knife.

The PSNI said the stolen car was stopped by police in Dunmurry following a short pursuit.

The suspects, aged 15, 17 and two aged 18, were questioned and released on bail

The incident happened at around 12.55am on Saturday morning.

Meanwhile, the Office of the Police Ombudsman is investigating a three-car collision involving a PSNI vehicle just after 10pm on Friday.

It is suspected that one of the cars involved was a stolen vehicle.

Two people were arrested at the scene, at a garage on Clifton Street in north Belfast.