Foam has covered the River Bollin in Macclesfield, UK, leaving local residents concerned about its possible ecological impact.

Footage captured on February 23 shows a thick bubbly foam floating on the river's surface. A fish carcass is also seen in the river.

Residents have taken to Twitter to voice their concerns. One local wrote: "What is being dumped in the River Bollin? This is the second day the river is like this! There are kingfishers and herons nesting here."

Another said: "River Bollin #Prestbury covered in foam this morning. Poor wildlife!"

The River Bollin in Macclesfield has been contaminated by an unknown pollutant which has caused a large amount of white foam buildup and has caused the death of many fish. Video taken by local resident Mark Boardman


River Bollin polluted by unknown chemicals in Macclesfield, Cheshire, killing fish