The campus of the prestigious MIT was on lockdown following the shooting, and police could be seen swarming around the university's Stata Center.

BBC: Major police operation in Boston area after shooting

The Stata Center also contains a food court, WCVB said.

CNN: Violence haunts Boston area in wake of Marathon terror

Gunshots were reported on the MIT campus at 10:48 p.m. near the Ray and Maria Stata Center, near Vassar and Main Streets, according to an emergency notice posted on the school's website.

WSJ: MIT Campus Police Officer Fatally Injured in Shooting

Dozens of officers surrounded and cordoned off the building, known as the Stata Center, which houses computer science laboratories as well as the department of linguistics and philosophy, according to MIT's website.

CNN: Boston bombing suspect on the loose, police say