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.
More top news
A power cut has led to travel disruption for Eurostar passengers heading in and out of St Pancras International.
Taylor Swift left fans pleasantly surprised as she brought out Robbie Williams during her second performance at Wembley Stadium.
A 15-year-old boy has been stabbed to death in a large fight after a birthday party attended by up to 100 youths in east London.