The London Aquatics Centre which housed the diving and swimming events during the London Olympics will open to the public from 9am.
But people are being advised to book their visit online due to concerns that there maybe significant queues to get into the venue.
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The mayoral candidate said he believed the spike in knife crime and the restrictions imposed on police to stop and search are linked.
Dragos Moisica raped the victim on her 12th birthday in a hotel in Kenton. He has been jailed for 12 years.
A week after the sinkhole appeared, it is unclear when the area will be declared safe.