UK alert over Sars copycat virus as man fights for his life in London hospital

Man, 49, fighting deadly Sars copycat virus is attached to artificial lung at specialist London hospital Patient held in quarantine after infected by 'new' strainHospital following strict infection prevention proceduresMan became ill in Qatar but had recently travelled to Saudi ArabiaHe was allowed to fly into the UK on private jet to private hospital but was only diagnosed with the virus once he had entered the country Qatari man moved to NHS hospital when his condition worsenedOnly one other man in the world has been infected with SARS-like virusMan in Saudi Arabia died after contracting the virus three months agoPossible small number of other cases are 'being investigated' | UPDATED: 16:48 GMT, 25 September 2012 A man fighting a Sars-like virus in a British hospital has been connected to an artificial lung to keep him alive.