After a decade of legal wrangling an appeal court decision has made it all but impossible for the government to deport Abu Qatada. The three judges ruled there is a "real risk of a flagrant denial of justice" if the radical cleric has to stand trial in Jordan on terror charges.
The Home Office insists the legal battle isn't over. Juliet Bremner reports from the Royal Courts of Justice.
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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.