A Massachusetts Institute of Technology professor was shot and killed inside his suburban Boston home.

The suspect fled the scene and is currently being sought by police. Nuno F.G. Loureiro, 47, was found fatally wounded in his home on Monday night and pronounced dead at the hospital on Tuesday. He was mourned by the university, described as an “imaginative scholar, gifted administrator, and enthusiastic mentor” by MIT President Sally Kornbluth in a statement.