According to emerging reports, a number of people are being treated for respiratory problems after a suspected tear gas attack at Frankfurt Airport this morning.
It is understood the suspected attack took place at the airport's check-in area in Terminal 1 at approximately 11am.
Reports state that at least six people were sprayed with a gas by an 'unknown person'.
Commenting on this morning's incident, a spokesperson explained: "The cause is unclear, investigations continue."
Recent reports emerging from the country's busiest airport confirm that the police and emergency services have declared the airport 'all clear' in the wake of the incident.