Man being question over Buncrana robbery

A-29-year-old man has been arrested in Buncrana in relation to a robbery in the town on Monday the night.
Just after 7 o clock on Monday night a man armed with a knife entered Cullens Petrol Station on Cockhill Road and threatened a member of staff, he made off with an undisclosed sum of cash.
The man arrested is being questioned at Buncrana Garda Station.