The costly fire broke out at around 10:30 a.m. on May 4, according to the Boston Fire Department. Heavy smoke could be seen coming from the W.B. Mason warehouse — located at 647 Summer St. in ...

A fire at the W.B. Mason warehouse in South Boston caused about $1 million of damage Sunday morning, the Boston Fire Department said. It happened around 10:30 a.m. at the warehouse on Summer Street.