WALNUT CREEK -- Two men who police say robbed a gas station at gunpoint on Monday morning slipped away without being caught, and police are asking the public's help in finding them.

The robbery occurred at about 5:25 a.m. at the Chevron located at 2329 N. Main St., police said. Two men entered the gas station store, and demanded money as one of the men pulled out a gun, police said.

Both suspects were described as black males in their mid 20s with thin builds and between 5 feet 10 and 6 feet tall. One of the suspects had long black braided hair and was last seen wearing a silver hooded sweatshirt, a dark mask, black-and-white gloves and black-and-white shoes and was armed with a handgun, police said. The other was last seen wearing a blue hooded sweatshirt, black jacket, bluejeans and black gloves, police said.

Both were last seen walking south on North Main Street toward North California Boulevard, police said. A search using police dogs was unsuccessful, police said.

Anyone with information on the robbery is asked to Walnut Creek police at 925-943-5844.

Rick Hurd covers breaking news. Contact him in Walnut Creek at 925-945-4780 and follow him at Twitter.com/3rdERH