I was in South Boston Friday night after having dinner with friends (Morton's yum!).
As we drove by this building, we noticed smoke coming out of the roof. After we called 911, we circled around the block and parked so I could get pictures and watch the firefighters work.
The Boston Fire Department responded with at least 7 trucks, 4 ladders and 3 engines that I saw.
They had the fire under control and mostly out in under an hour.