The London Assembly is due to vote this afternoon over the Mayor's plans for affordable housing. Members are currently debating how much landlords can charge tenants across the capital.
The changes would mean that rent on new affordable housing is fixed at 80% of the market rate. Critics say that would make some new properties for people on low and modest incomes unaffordable.
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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.