TULSA, Oklahoma - Police are looking for a man who used a hammer to rob a Tulsa drug store of cash and drugs early Friday.

Officers said a man walked into the Walgreens in the 9000 block of South Sheridan at about 3:30 a.m. and threatened an employee with the hammer.  

After getting cash from a register, the man forced the employee to the back of the store where he took money and drugs from the safe.

Police said the man, who was wearing a gray hooded sweatshirt and dark pants, ran out of the store.

Officers say the store employee was not injured. They say no customers were in the store at the time.