Officials investigate ‘intentional’ explosion at Harvard University medical building that left no injuries

(CNN) — An apparently “intentional” explosion at a Harvard University medical building early Saturday is under investigation, authorities said.

An officer responded to the Goldenson building around 2:48 a.m. and saw two people fleeing the building after a fire alarm was activated, according to the Harvard University Police Department.

On the building’s fourth floor, it was apparent there had been an explosion – one that an arson team has initially assessed “appeared to be intentional,” police said.

Boston police swept the building for “any additional devices” but none were found, and no injuries were reported, officials said.

The officer who first responded “attempted to stop the individuals” before going upstairs to investigate what triggered the alarm, police said. There was no furt