One of the bombs went to Dubai via Doha in Qatar on a passenger aircraft. The device that was found at East Midlands airport left the Yemeni capital of Sana’a on a passenger aircraft, which is also thought to have stopped at Doha, before it travelled to Cologne in Germany and Britain in cargo planes. Mrs May said: “What became clear overnight on Friday and into Saturday was that it was indeed a viable device and could have exploded.