It wasn't the clearest morning for panoramic views of the capital, but that didn't stop the first visitors to London's Shard enjoying their trip to the top. The Mayor of London was among those who got a glimpse from Western Europe's tallest building. Ria Chatterjee went up too.
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Some platforms have been taken out of service with disruption expected to continue until the end of the day.
The Met Office has extended its weather warnings for snow and ice to cover vast swathes of the country, including London and the South East.