LOS ANGELES, Calif. — Three unoccupied passenger buses caught fire Saturday night at Los Angeles International Airport, fire officials said.

Around 9 p.m., LAX Airport posted to its Twitter account "there is a significant fire emergency at the LAX-it lot. Emergency responders are on scene. More to come. No immediate reports of injuries."

According to the Los Angeles Fire Department, there are no injuries reported and the fire's cause remains under investigation.

The press release also stated there is no reason to consider the incident suspicious at this time.

The scene was cleared around 9:45 p.m, but fire continues to cause airport traffic delays.

"LAX-it is fully back in operation. Shuttles are dropping off passenger and taxis, Uber and Lyft are picking up guests. Traffic remains very heavy around the airport if you are driving in tonight," according to LAX's Twitter account.