The explosion happened Saturday just before 3 a.m. on the fourth floor of Harvard's Goldenson Building, which is on the university’s medical campus at 220 Longwood Ave.

Two Massachusetts men visiting Boston area colleges on Halloween night when numerous parties were underway have been arrested and charged with causing an explosion over the weekend at Harvard Medical ...

According to charging documents, surveillance cameras captured two men later identified as Patterson and Cardoza shortly after 2 a.m. on Saturday walking toward the Harvard Medical School campus while...