'Loud Noises' Causes Panic At Los Angeles Airport; No Shooting: - KWWL - Eastern Iowa Breaking News, Weather, Closings

'Loud Noises' Causes Panic At Los Angeles Airport; No Shooting: Police

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(NBC) -

Passengers at Los Angeles International Airport were seen running from terminals and onto a tarmac after police responded to 911 calls of shots fired at the facility, but police said the reports were unfounded and there was no shooting.

"Reports of a shooting incident at LAX have been proven to be loud noises only," the Los Angeles Police Department said about 45 minutes after the reports sparked a panic at the airport. There was no shooting and no injuries, police said.

Police responded to multiple 911 calls from multiple locations at the airport about shooting at around 8:45 p.m. local time (11:45 p.m. ET), multiple law enforcement sources told NBC News. The 911 calls came from terminals 4, 7, and 8, law enforcement sources said.

People poured out of Terminal 4 onto the tarmac, and a security officer said shots were fired. One person said they heard "pops" in terminal 4 and others only heard the shouts of "run!"

Video posted on Twitter showed people fleeing a terminal and a TSA agent helping up one person who fell.

Police completed and initial sweep of the airport were conducting secondary K-9 sweeps late Sunday, Los Angeles Airport Police spokeswoman Alicia Hernandez said. People self-evacuated and were not ordered to do so by airport police, Hernandez said, conflicting reports on social media.

During the chaos, someone dressed in a dark costume was detained at the airport, law enforcement sources said. It was unclear whether the person in any way contributed to the panic.

Traffic was backed up leading to the airport as police responded to the scene. Los Angeles International Airport said the departures and arrival areas of the central terminal area were closed.

In 2013, a gunman opened fire at the airport and killed a Transportation Security Administration officer. Alleged gunman Paul Anthony Ciancia wounded two other TSA agents and another person in the rampage. He was shot and wounded by police at the airport but survived.

On Aug. 14, reports of a possible "active shooter" at New York City's John F. Kennedy International Airport threw the facility into chaos, with panicked people running for cover and hiding, and shouts to get on the ground. The reports turned out to be unfounded.

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