Campaigners fear a flood alleviation channel on the River Thames would pollute a wild swimming spot.

Thames Water proposes pumping treated wastewater into the River Thames to meet rising water demand.

Some 6,000 people take part in the 1,000th event at the London park where the movement started.

"Citizen scientists" have been conducting water quality tests in the River Thames since May.

Allan and Helen Thornhill, from Smallfield, hope to visit all 238 RNLI lifeboat stations by 2026.

BBC London visits Kingston to see what swimmers think needs to be done to clean up the Thames.

BBC London has pulled together the best images of Friday's Northern Lights sent in by the public.

Residents near Teddington Lock said they saw what looked like "brown lumps of porridge" in the water.