Grinning passenger poses for a SELFIE alongside hijacker wearing a 'suicide vest': Jet is forced to land in Cyprus where hostage taker gives himself up after demanding officials hand a letter to his ex-wife<br />EgyptAir jet hijacked by man in bomb vest from Alexandria to Cairo <br />Hijacker Seif El Din Mustafa demanded to see Cypriot ex-wife<br />Held handful of passengers and crew hostage on tarmac in Cyprus<br />Arrested after a five-hour negotiations which saw him leave letter for ex<br />Cypriot Foreign Ministry said hijacker appeared to be 'mentally unstable' <br />Are you the man taking the selfie with the hijacker? Do you know him?
