Two men have been arrested after a taxi was stolen in Dublin early this morning.

The incident happened at Castleknock when a taxi driver picked up two men at around 2:20am.

He drove them to Laurel Lodge Road where the driver was threatened, ordered out of the cab and the vehicle taken.

An hour later, the stolen taxi was stopped by Gardaí on the Howth Road and two men aged 20 and 28 arrested.

A knife was also recovered.

Both suspects are being held at Blanchardstown Garda Station.

Gardai say investigations are continuing.