Four tourists dead & 15 injured as tour bus plunges 330 feet down cliff edge in thick fog on way to Machu Picchu

FOUR tourists have been killed and another 15 have been left injured after a tour bus plunged 330 feet down a cliff on the way to Machu Picchu. The horror accident happened on Sunday when the minibus they were travelling in crashed into a ravine. AFPThe crash left four tourists dead[/caption]