A new attraction offering 40-mile panoramic views of London opens today.
The Mayor of London Boris Johnson will officially cut the ribbon for The View from The Shard, a viewing gallery on the 72nd floor of Britain's tallest building.
However, a forecast of poor visibility could mean visitors don't get the spectacular views they're hoping for.
More top news
Labour leader tells May Day rally his party 'stand absolutely against racism in any form'.
Video has emerged of a police car colliding with a cyclist and driving over a bike during a mass bike ride in central London.
Harlesden's James DeGale has successfully defended his IBF super middleweight title against Rogelio Medina.