The family of landscape architect John Hopkins have planted an oak tree in the Olympic Park to remember him. Mr Hopkins helped to design the park before the 2012 Games but died in January.
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Figures released this week show a sharp rise in the number of people living on London's streets.
Newly released emails to a Muslim campaign group reveal Mohammed Emwazi felt "controlled" under the watch of the security services.
Tributes have been left in Caledonian Road in Islington where 15-year-old Alan Cartwright died after he was stabbed.