REDDING, Calif. -

Police are looking for the suspect who robbed a Dutch Bros. coffee shop in Redding on Tuesday night.

An employee at the North Market Street location told officers that a man wearing a mask had approached the backdoor with a knife just before 11 o'clock.

The employee locked himself in the bathroom and called police. He told them he heard the cash register open. By the time police arrived, the suspect had gone.

The suspect is described as a white male in his 30's, and about 6 feet tall with a medium build. He was wearing tan shorts and a green shirt. He was also wearing a black mask.

Police say they have a few leads, but so far no one has been arrested.