Man with AR-style pistol arrested at Aetna's Connecticut headquarters without incident

A man carrying a backpack with an AR-style pistol inside was arrested Thursday after walking into health insurer Aetna's headquarters in Connecticut, police said. It wasn't immediately clear what the man's plans were, Lt. Aaron Boisvert said. The man was brought to Hartford police headquarters and charged with illegal possession of an assault weapon, criminal possession of a firearm, possession of a large-capacity ammunition magazine and trespassing.