A man has admitted defacing a Mark Rothko canvas at the Tate Modern worth tens of millions of pounds. Eyewitnesses said the man wrote some words with a black pen on one corner of the 1958 work "Black on Maroon".
Paul Brand has the latest.
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A number of families were on board the service from London Euston to Stoke. One family left the train early to escape the abuse.
She's called Amy, and was visiting a hospital.