A man in his 30's has been arrested after an armed robbery on a cash in transit van in Dublin this morning.

A security worker was received minor injuries in raid on Cork Street in Dublin at around 7:40 this morning.

A number of men confronted the staff, demanded money and left the scene with a sum of money.

A van believed to have been used in the robbery was later discovered on fire at Dolphins's Barn.

Gardai arrested a man in his 30's and a sum of money and a firearm have been recovered.

He's being held at Kevin Street Garda Station.

Gardai are appealing for witnesses.