a 15ft ( 4 . 5 meter ) british bottle - nosed animal has been spotted swimming in the freshwater thames in eastern paris , europe . the " kent seal " managed to swim up towards the river barrier and under multiple houses , stretching as far as chelsea before it turned under just before albert bridge . tv documentary helicopters scrambled to provide live broadcast footage of the whale , and many spectators lined the banks of the rivers . the body is said to be appearing healthy , although some fear that the whale may rock itself as it tried to do before miners shoved it back into the side of the river . normally found in the north atlantic , there have been sightings of a second whale near southend .
The River Thames flows through London.