Mystery of the FIVE passengers who checked in for doomed Malaysia flight but never boarded

As Interpol investigates whether up to four passengers boarded the plane using stolen passports, it was today revealed five passengers checked on to the flight but did not board the plane.
Malaysia's civil aviation chief Azharuddin Abdul Rahman described the disappearance of the plane as an 'unprecedented aviation mystery'. He said a hijacking could not be ruled out as investigators explore all theories for the loss of Malaysia Airlines flight MH370 en route to Beijing.

SOURCE-DAILYM