A KLM plane has been cordoned off at Glasgow Airport and passengers reportedly evacuated due to 'concerns' over cargo
Eyewitnesses said police, ambulance and fire engines had gathered near the runway.
Around 20 firefighters are believed to be at the scene where the aircraft is being inspected.
In a statement from the airport, they said: "At approximately 10am, the airport fire service attended an arriving KLM flight in response to concerns raised over a piece of cargo.
"Enquiries are ongoing to determine the content of the package and the aircraft has been cordoned off."
Other witnesses claimed the flight had a flammable liquid spillage, although this has not been confirmed.
In a statement from Police Scotland, they said: "Police were called around 11.15am on Friday 4 October to a report of a spillage from cargo on board a plane at Glasgow Airport.
"Emergency services are in attendance and the package is being examined. "
Another passenger Louise wrote on Twitter: "Waiting at Glasgow airport, have been evacuated off plane and staff now giving out water and people being escorted in groups of 8 to use the toilet on the plane."
The flight was reportedly travelling to Glasgow from Amsterdam.
The aircraft is understood to have been cordoned off while an inspection takes place.
Traffic Scotland said the M8 junction for Glasgow Airport is reportedly closed due to the ongoing incident.