A shooting incident was reported at Phoenix Sky Harbor International Airport in Arizona, the US, on Wednesday at 9.40 pm local time.
The gunshots were heard at Terminal 4 of the airport, said police. This terminal is reportedly busy during year-end as passengers arrive or depart for Christmas holidays.
Phoenix police tweeted that officers are "investigating a shooting that happened at @PHXSkyHarbor. However, police said they are not looking for any suspects and the airport operations have returned to normal.
Airport representative Eric Everts in a email stated that Terminal 4A security checkpoint was temporarily closed and PHX Sky Train operations were paused as a precaution.
However, it was not clear if anyone was injured in the shooting. The cause of the shooting is still not revealed to the public.
One of the passengers at the airport, who spoke to 12News, said the authorities escorted him out, informing that there was an active shooter situation.
This is a developing story. More details awaited