BOSTON: There was an explosion early Saturday at Harvard Medical School that appears to have been intentional, but no one was injured, authorities said.

Police release photos of two individuals they are looking for in connection with intentional explosion overnight in a building at Harvard Medical School

(Photos from police press release)

More details on the incident here: https://t.co/hPwl6syUJv pic.twitter.com/JDBPQvF1W2

— Steve Lookner (@lookner) November 1, 2025