80 young people from 40 London schools, who had gathered to celebrate their end of term achievements, could hardly believe their eyes when Will Smith walked onto the stage.
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The capital's theatres also generate more searches than those in any other city, according to research by Google.
Union officials are expected to meet next week to plan further stoppages if talks fail to resolve the dispute.
Natalie Sharp and Christine Bicknell appeared in court over an alleged incident at a Lidl superstore in Wallington, south London.