People are being warned not to approach a man who disappeared from a mental health unit. 48-year-old Anthony Knowles was on escorted leave from the facility in Homerton, east London, when he went missing on Saturday.
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Scotland Yard confirm that two people arrested in connection with the attack on Westminster have been released with no further action
An appeal to support the family of murdered policeman Keith Palmer has reached more than £700,000 in two days.
PC Keith Palmer will be remembered permanently at the National Memorial Arboretum, Home Secretary Amber Rudd has said.