The 111 passengers were taken back off the Istanbul-bound flight, which had already been taxiing on the runway of Cologne-Bonn airport, and were taken back to a terminal in buses.
The threatening phone call around 0815 GMT referred to the flight and was considered sufficiently credible by federal police to justify the security operation.
(This story has not been edited by NDTV staff and is auto-generated from a syndicated feed.)
Get Breaking news, live coverage, and Latest News from India and around the world on NDTV.com. Catch all the Live TV action on NDTV 24x7 and NDTV India. Like us on Facebook or follow us on Twitter and Instagram for latest news and live news updates.