Three buildings in the Longwood Medical area were evacuated Monday morning as crews responded to a HazMat leak.A truck near 665 Huntington Avenue was reported to be leaking nitrogen. The area is near the Harvard School of Public Health.The buildings at 180 and 188 Longwood Avenues were also evacuated after the Level 2 HazMat was declared, the Boston Fire Department said in a Twitter post.Several streets in the area were blocked off by police as emergency crews responded.The leak was brought under control just after 9 :30 a.m., and workers were let back into the buildings.

Three buildings in the Longwood Medical area were evacuated Monday morning as crews responded to a HazMat leak.

A truck near 665 Huntington Avenue was reported to be leaking nitrogen. The area is near the Harvard School of Public Health.


The buildings at 180 and 188 Longwood Avenues were also evacuated after the Level 2 HazMat was declared, the Boston Fire Department said in a Twitter post.

Several streets in the area were blocked off by police as emergency crews responded.

The leak was brought under control just after 9 :30 a.m., and workers were let back into the buildings.