More than 700 seals have been recorded in the Thames Estuary.
In the first ever count by air, land and sea, the Zoological Society of London found hundreds of grey and harbour seals along the Thames and in small creeks and rivers.
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Kate burst out of the blocks at the London Stadium at the Olympic Park.
Without guarantee, many witnesses had threatened to stay silent by claiming the legal right of privilege against self-incrimination.
The attack happened on a train between St Albans Abbey and Watford North station in November.