A floral tribute is left outside the National Union of Rail, Maritime and Transport Workers (RMT) headquarters in London March 11, 2014. Britain's Rail Maritime and Transport Workers' Union said its ... more 
A floral tribute is left outside the National Union of Rail, Maritime and Transport Workers (RMT) headquarters in London March 11, 2014. Britain's Rail Maritime and Transport Workers' Union said its leader Bob Crow, who recently led a series of strikes on London's underground rail network, died in the early hours of Tuesday. REUTERS/Stefan Wermuth (BRITAIN - Tags: BUSINESS POLITICS INDUSTRIAL EMPLOYMENT) less 
1 / 1
Reuters | Photo By STEFAN WERMUTH / REUTERS
Tue, Mar 11, 2014 10:27 AM EDT