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RMT union general secretary Bob Crow dies aged 52

11 March 2014 Last updated at 22:54 GMT

Tributes have been paid to the general secretary of the Rail Maritime and Transport Union, Bob Crow, who has died at the age of 52.

Mr Crow was elected general secretary of the RMT in 2002 following the death of former leader Jimmy Knapp.

Nick Robinson looks back at his life.

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