A Butler woman has been charged with attempting to rob a downtown store with a knife Monday afternoon, city police report.

Police accuse Jessica M. Roberts, 24, of trying to rob an employee of Ruffles and Truffles store on South Main Street shortly after 1 p.m. The employee told police the would-be robber kept a hand behind her back and claimed to have a knife. The employee also said she saw the knife, according to police.

The suspect demanded money from the employee, who was standing near the cash register when the woman approached, according to the police report. But the employee refused and the suspect left empty-handed. No one was hurt. Police were called and soon found Roberts, with a kitchen knife, at a nearby apartment building on South Main Street. She was arrested without incident.

The defendant was arraigned on a charge of robbery, and placed in the Butler County Prison on $15,000 bail.