Several people have been injured by a suspected tear gas attack at Frankfurt Airport in Germany.
Witnesses said the check-in area at Terminal 1 was affected on Monday morning.
Police said six people were being treated for breathing problems after the incident at the country’s busiest airport.
“The cause is unclear, investigations continue,” a spokesperson added.
Frankfurt Airport operators said the fire brigade’s operations had ended and found no “harmful substance” in the departures hall.
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