A man has been arrested after a robbery in Mt Roskill, reportedly involving a knife.

The incident took place at The Warehouse about 12.43pm today.

Police received calls from witnesses who told them the offender was carrying a weapon.

“It was reported a man was carrying a knife and he had stolen an item from the Stoddard Rd store,” a police spokesperson said.

A short time later, with the help form the Police Eagle helicopter, they found the man on a nearby street.

No one was injured.

The man was taken into custody and enquiries are ongoing.