PHOENIX – One suspect is in custody and another is still outstanding following an armed robbery at a Taco Bell restaurant Monday morning.

Phoenix police Sgt. Steve Martos said two black males between the ages of 20 and 30 robbed the fast-food restaurant near Cave Creek and Bell roads with a knife.

Police located one suspect but are still searching for the second suspect.

A resident near 28th Street and Aire Libre Avenue reported a lot of police activity in the area around 10 a.m.