SAN LEANDRO (CBS SF) – A $20,000 reward was being offered for information leading to the conviction of two men who have conducted a series of armed robberies in San Leandro since the beginning of the year, according to police.

The two suspects robbed at least four stores at gunpoint between January and March of this year, including Home Depot, Rite Aid, Grocery Outlet and Dollar Tree, according to police.

READ MORE: Afghan Refugee Who Moved Family To NorCal Shot Dead In San Francisco While Working As Driver

Detectives believe the suspects may be responsible for several more robberies in San Leandro, as well as robberies in neighboring cities.

The two suspects are described as black men between 25 and 35 years of age, standing about 6 feet tall, police said.

The first suspect is weighs between 180 to 225 pounds and was wearing a beanie hat and a sweatshirt at the time of the robberies.

READ MORE: Hertl’s Hat Trick Leads Sharks Past Flames, 5-3

The second suspect weighs between 210 and 260 pounds. He was wearing a long sleeve shirt and sweatpants during at least one of the robberies. He was also armed with a handgun during the Grocery Outlet robbery, police said.

Anyone with information regarding the robberies was urged to contact police at (510) 577-2740.

(Copyright 2013 by CBS San Francisco and Bay City News Service. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.)

MORE NEWS: COVID: High Demand For Vaccines, Boosters Strains Staffing At San Mateo Clinic