A confrontation between U.S. Immigration and Customs Enforcement (ICE) agent Thursday evening in Long Beach has one dead and another seriously injured, according to the [LA Times.](http://www.latimes.com/news/local/la-me-long-beach-shooting-20120217,0,3324042.story) Several sources tell the Times the shootout began with an agent shot his supervisor several times. "With the supervisor wounded, a third agent intervened and opened fire on the gunman, who was pronounced dead at the scene, according to law enforcement authorities. The male agent who killed the gunman was uninjured," the LA Times reports. The incident occured in the Glenn M. Anderson Federal Building in Long Beach, Calif., according to law enforcement authorities.