Vistara flight UK 27, en route from Mumbai to Frankfurt, was diverted to Turkey on Friday after a security concern was reported by the crew on board. The flight made an emergency landing at Erzurum Airport, Turkey, where authorities swiftly intervened to investigate the matter.

Unconfirmed sources said that the crew had found a bomb threat written on a piece of tissue paper.  According to a statement from a Vistara spokesperson, “Vistara flight UK 27 operating from Mumbai to Frankfurt on September 6, has been diverted to Turkey due to a security concern that was noted by our crew while on board. The aircraft has safely landed at the Erzurum Airport. As per protocol, the relevant authorities were immediately alerted and we are fully cooperating with the security agencies to complete the mandatory security checks. At Vistara, the safety and security of our customers, crew, and aircraft remain our highest priority.”