A man has died after a struggle with Arlington County Police officers during which he was subdued with a stun gun, officials said today. The incident took place around 8 p.m. on Sunday night inside the Pentagon City Metro station. Police say an officer stunned the man, who was a larceny suspect, after he assaulted the officer who was trying to take him into custody. The man was then transported to a nearby hospital, where he was pronounced dead. His name has not yet been released pending notification of his family. Police say an investigation is ongoing.