The Boston Fire Department reports a fire at 49 Mather St. late last night quickly went to three alarms and sent two residents and two firefighters to the hospital. One resident was rescued from a top floor of the multi-family building via a department aerial ladder.

The department says one of the injured residents suffered burns, the other smoke inhalation. Roughly 15-20 residents were displaced. One firefighter suffered facial burns, the other a groin injury.

Damage was estimated at $400,000; the cause remains under investigation.

Firefighters inside Mather Street. Photo by BFD.