Russian crash: Isil says it caused Russian plane crash in new audio but tests show 'no explosive residue'

Cockpit recordings reveal "uncharacteristic sounds" in final moments of disaster in Sinai which killed 224 people

Russian emergency services personnel working at the crash site of a A321 Russian airliner in Wadi al-Zolomat

Wilayat Sinai, an affiliate of Isil based in Sinai, have claimed responsibility for the downing of Flight 7K9268 this morning, according to Syria analysts, who shared the audio message.