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.
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A teenager who was mistakenly released from prison after he was arrested on suspicion of attempted murder has been detained by police.
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