Tear gas incident leaves several people injured at Frankfurt Airport

Frankfurt: Several people were reported to be injured on Monday after gas was released at Germany's Frankfurt airport.

Fire services were called and the check-in counters were closed for sometime.

However, airport operators later said that no 'harmful substance' were found in the departures halls.

After that, check-in was reopened and flights started operating as normal.

Frankfurt Airport’s official Twitter account tweeted the following regarding the incident:

Fire department operation completed. No more measured values of tear gas can be detected & the affected area is accessible again. — Frankfurt Airport (@Airport_FRA) September 11, 2017

The counters are again open. The fire department has ended the operation. No more measured values of irritant gas can be detected. — Frankfurt Airport (@Airport_FRA) September 11, 2017

We have no official information´s yet. Is still under investigation by the police. — Frankfurt Airport (@Airport_FRA) September 11, 2017