The horses pulling Bob Crow's hearse wore blue and white plumes on their heads; the colours of the RMT leader's beloved football team, Millwall.
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The victim reported Samantha Watt to police in July after she discovered the photos had been put up on her Facebook page.
The roof and floors collapsed during the blaze at the property, one of Britain's finest Palladian mansions.
The former Tottenham and Arsenal player made his feelings clear after visiting the Cambridge Street Cafe in south London.