A car carried the woman around 30 yards on the bonnet before she was thrown to the ground, the Metropolitan Police said.
The common dolphin was seen multiple times from late morning on Thursday, and was described as appearing to be ‘struggling with the tide’.
A police officer was injured as a minority of protesters threw objects and shouted racist abuse
Heavy rain could hit Wimbledon and the British Grand Prix in the afternoon.
The Met said it has used conditions under the Public Order Act ‘more extensively than during any other period of protest in recent memory’.
Gareth Jenkins sent an email on March 1 2010 discussing the case of Seema Misra, who was given a 15-month prison sentence in November 2010