The Queen Elizabeth Olympic Park in London opens to the public today for the first time since the London 2012 Olympic and Paralympic Games. The south of the park has been laid out by architect James Corner, who designed the Highline in New York, and has themed outdoor spaces for visitors.
Members of the public will also be able to swim in the 50m pool at the Aquatics Centre for the first time, visitors are advised to book to avoid queues at the venue.
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The 24-year-old was unarmed and the incident is not being treated as terror-related.
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.