Onlookers keep a watch for the whale in the River Thames. (Daniel Berehulak / Getty Images)
A stranded northern bottlenose whale, which has made its way to the River Thames, comes up for air in front of the Battersea Park Pagoda. (Richard Lewis / EPA)
A whale’s progress along the River Thames is closely monitored in central London. (Richard Powell / EPA)
Whale swims past the Houses of Parliament as it travels up the River Thames. (British Divers Marine Life Rescue / Getty Images)
