More than half a billion pounds has been spent by local authorities in London on emergency housing since the general election. Councils have been forced to place people in accommodation, such as hotels and B&Bs, after they presented themselves as being homeless.
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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.