The parents of five year-old Chloe Johnson have spoken to ITV London about the tragedy.
Chloe was found dead after going to play in a pool at the resort in Sharm-El-Sheikh.
Her parents say they were not given any professional help and were left for hours before an ambulance came to take her body away.
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David Cameron said the Met proved it can "do more with less" and declined to criticise the Mayor of London for his water cannon spend.
A group of disabled activists threw toys and balls at him as he entered the conference.
A wet start to the week and the unsettled weather is set to continue over the next few days.