Gunman commits suicide after shooting doctor in Boston

A gunman shot and critically injured a doctor Tuesday in a prestigious hospital in the U.S. city of Boston, Massachusetts before killing himself, local police said.

The shooting took place inside the Brigham and Women's Hospital, affiliated with the medical school of the Harvard University, Boston Police Commissioner William Evans was quoted by local media as saying.

The gunman shot the doctor twice outside an examination room in the Shapiro building, a cardiovascular care and research center, before turning the gun on himself. The doctor, whose identity was not disclosed, suffered life-threatening injuries.

The Shapiro center was temporarily locked down after the shooting. Local police searched the building for the gunman, who was later found dead inside an examination room where a gun was recovered.

It remained unknown what led to the shooting and police had started investigation into the incident. Endite