Passengers were left screaming and running for their lives after an explosion in a baggage machine at Cancun airport.
Witnesses said people scrambled from the airport, as some were even trampled on as a desperate crowd attempted to flee.
One Twitter user said: "At the airport in Cancun waiting for a flight and just saw a herd of people running and screaming towards me. People ducking behind counters and chairs.
"People seem to think someone had a gun, but security can’t confirm. Terminal has at least partially been evacuated."
Other passengers took to social media to describe how people bolted for cover, leaving luggage and phones where they stood.
Twitter user @blainless said: "everybody's reclaiming their phones now - lots of people (myself included) just went for cover without them."
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Another passenger said: "We all got trampled hitting the ground and crawling on the floor but we're ok."
One witness said: "Sounded like a bomb went off then stampedes of people running towards our direction.
"Absolutely chaotic. It’s died down, happened 10-15 mins ago."
The incident is understood to have happened in terminal 3 of the airport.
A passenger said: "Huge stampede in terminal 3 about 20 mins ago. We hid in the c14 tunnel connecting the airport and the plane.
"Was told it’s safe now… everyone is just waiting for an update."
Footage shows terrified passengers sprinting across the airport's runway.
One terrified eyewitness took to Twitter, reporting: "At the airport in Cancun waiting for a flight and just saw a herd of people running and screaming towards me. People ducking behind counters and chairs.
"People seem to think someone had a gun, but security can’t confirm. Terminal has at least partially been evacuated."
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