One person has now been released from hospital after being stabbed at the Wireless music festival in east London.
Two people were attacked during the event this weekend.
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The clinic has apologised for the human error that resulted in the private health information of HIV patients being leaked.
The multi-millionaire strip-club owner defended his policy of taking 23% of the service charges made by waitresses in his bars.
The installation is the first in London by acclaimed British underwater sculptor Jason deCaires Taylor, part of the Thames festival.