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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The mayor hinted that certain cars could be entirely banned from London's streets in an effort to combat the city's "toxic" air.
The house built in the 1850s has three-bedrooms and two roof terraces.
Plymouth Argyle's ball boy Jake McLean, said he felt 'disrespected' and angry when he was pushed to the ground by the Orient captain.