PORTLAND - Police are investigating two Tuesday night robberies at North Portland businesses they think may have been committed by the same suspect.

At 9:15 p.m., officers responded to Subway, located at 7409 N. Interstate Ave., on the report of an armed robbery.

Employees told police that a suspect, armed with a knife, entered the sandwich shop and demanded money. The victim ran to the phone to call 911 and the suspect left without obtaining any money.

The suspect was described as brown-skinned male, possibly Hispanic, in his 20s, 6 feet tall, 180 pounds, wearing a black hoodie. A gray scarf covered his face.

At 9:22 p.m., officers responded to the report of a robbery at Rite Aid, 7440 N. Denver Ave., only 3/10 mile from the Subway.

According to the victim, a man entered the store, demanded money, then pushed the employee out of the way and grabbed cash from the cash register. The suspect left the store without incident.

The suspect was described as a mixed-race male in his 20s, wearing black clothing, a gray mask, carrying a backpack.

Several officers, including a Police Canine Unit, searched the neighborhood but did not locate the suspect.

Based on the location, time and description, officers believe the two incidents may be related.

Anyone with information about either incident is asked to contact Robbery detectives at 503-823-0405.