Four-alarm fire takes out Brighton store block

2:30 p.m. update: Building a total loss, damage estimated at $4 million. Two firefighters to the hospital with non-life threatening injuries. Fire Department says fire started in the pizza-place end of the block of stores, across the street from Moogy's. Fire officials say a gas main was feeding the fire and that National Grid sent in a backhoe to dig up the street to shut the flow of gas.

Boston firefighters have been at Chestnut Hill Avenue since 5:49 a.m., battling a stubborn fire that has required so much water it's affecting water pressure across the neighborhood. The Boston Fire Department reports no injuries as of 6:50 a.m.

Firefighters in the smoke. Photo by BFD.