Labour's London Assembly spokewoman Val Shawcross says a closer look needs to be taken at the goings on at Crossrail after a construction worker was hospitalised with serious burns following an explosion
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The operation carried out by Westminster City Council led to the seizure of £8,000 worth of cigarettes.
Armed troops have been stationed around Parliament to free up armed police to patrol the streets in the wake of the Manchester bomb attack.
Chelsea had planned an open top bus tour to show off the Premier League trophy and hope to add the FA Cup in Saturday's final with Arsenal.