It is rumoured that the latest SpaceX mission to the International Space Station (ISS) includes a mystery and 'history-making' fifth passenger.

'Conspiracy' bloggers have reported sightings of a man in green combats joining the rocket carrying a sleeping bag and a thermos flask.

FNN understands that the mystery passenger may be none other than Ukraine's President Zelensky who is going to the ISS to try to persuade them to install top-secret laser weapons to shoot down Russian hypersonic missiles.

FNN guesses that Mr Zelensky will be seated in the 'jump seat' and qualifies for the mission based on frequent flyer points earned from his recent globetrotting travel. Apparently his old Aeroflot frequent flyer number was automatically added to all his recent flight bookings and so he has accumulated enough miles to travel to the moon and back. In fact he is the first Aeroflot frequent flyer to hit 'Kryptonite' level status.

SpaceX have denied the rumour and an ISS spokesperson told FNN that it is unlikely as the station is committed to use for peaceful purposes only and anyway does not need anyone else to join the current crew as the whole place smells of feet.