The Port of London Authority even claims that there is a school of seals living at a west London river location.

ECONOMIST: The Thames

The Port of London Authority was also criticised for not ordering such boats to station a forward lookout in contact with the wheelhouse.

BBC: You are in: UK

The Port of London Authority (PLA) imposes a 12-knot (14-mph) limit west of Wapping, which means that boats can show their exhilarating 30-knot cruising speed only on the eastern stretches of the river.

ECONOMIST: Thames river transport