Lu Lingzi was 23 years old and a graduate student with Boston University
(Boston, MA) -- The third person who died in the Boston bombings is being identified as Chinese national Lu Lingzi. Lu was 23 years old and a graduate student with Boston University. The university says she was with two of her friends watching the race near the finish line when a bomb detonated nearby. One of those friends is being treated at Boston Medical Center, the other wasn't injured.