York's River Foss is the colour of pea soup again.
This photo taken by Press reporter Maxine Gordon and shared in our online Facebook group, Press Camera Club, shows the River Foss at the bottom of its junction with the Monkgate roundabout.
The vibrant green colour has been seen many times before.
During a previous episode, the Environment Agency told The Press that the cause of the river being green was duckweed – an aquatic plant commonly found in slow-moving waters, such as the Foss.
It forms a blanket-like appearance after tiny round leaves join together on the surface of the water, the agency said.
However, it added that the duckweed posed little risk to the environment.
An Environment Agency spokesperson said: "Duckweed collects on nutrient-rich rivers such as the Foss and during periods of warm, settled and dry weather, its growth can be exacerbated.
"Duck weed is not toxic and its impact to wildlife is normally minimal, but if members of the public see any fish in distress, please report it to our 24 hour incident hotline on 0800 80 70 60.”
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