A two-alarm fire at a commercial building Sunday morning sent a plume of smoke rising above San Leandro.

The fire appeared to tear through a one-story building near the intersection of 139th and Washington avenues in San Leandro, according to the Alameda County Fire Department. Social media users posted photos online of a plume of smoke rising above the city.

Details on the what caused the blaze were not immediately available.

Check back for updates to this developing story.

Source: www.mercurynews.com