*** UPDATE ***
NBC News is reporting that one TSA employee was killed in the shooting. Another was shot in the leg.
Another, possibly the gunman, was also wounded.
*** END UPDATE ***
Police and paramedics surrounded a terminal on Friday at Los Angeles International Airport because of a reported shooting.
Witness Brian Keech said he heard "about a dozen gunshots" from inside the security gate at Terminal 3.
Los Angeles Fire Department spokesman Brian Humphrey said emergency crews have responded to a multi-patient incident.
The incident was reported after 9:30 a.m.
There was no immediate word of any injuries, but television images showed two people being wheeled away by firefighters. Triage stations also were seen.
No other details were immediately available.