Sparks police say they are looking for a black male who held up a clerk at a Winner's Corner convenience store.
Police say the suspect entered the store around 5 a.m. Monday, grabbed the clerk from behind and held a knife to her throat while demanding money.
He then ordered her to the back of the store before fleeing with an unknown amount of cash.
The suspect is described as a black male in his late 30s, 5-foot-7 to 5-11, and of medium build.
He was last seen wearing a dark, hooded jacket, dark gloves and blue jeans.