The Valero gas station on U.S. 301, north of Middletown, was robbed by a man armed with a handgun at 9:23 p.m. on Saturday, Dec. 30, 2017, state police said.
The man entered the gas station at 4434 Summit Bridge Rd. and demanded money.
After the employee complied, the man fled in a four-door, teal colored vehicle. The clerk was not injured.
Police describe him as a white male, thin build, wearing a dark colored mask, long sleeve jacket, gloves and armed with an unknown type of handgun.
No surveillance photos are available at this time.
If anyone has any information, they are asked to contact Troop 2 Robbery Unit, at 302-365-8412.
Information may also be provided by calling Delaware Crime Stoppers at 1-800-TIP-3333 or via the internet at www.delaware.crimestoppersweb.com.