Mystery yellow blobs are appearing on cars, windows and bins in part of Stockport – and it's left people baffled.

The bizarre phenomenon started about three weeks ago and sparked wild speculation about what it could be.

It appears to be liquid landing and drying, leaving markings which keep coming back when cleaned.

Some suggested it could be bee poo, but there don't appear to have been any sightings of large swarms.

Cheadle Hulme resident Roy, 78, said that some people are worried it could be harmful.

The strange markings have been appearing on bins (Image - Declan Carey LDRS)

"We've been suffering with this problem for about two or three weeks," he said.

"We've been here for 30-odd years and we've never seen it before, we're all a bit fed up with it.

"I was worried that it could be air pollution and it could be a health concern. My main concern is if it's harmful to us, I don't mind washing the car."

Cheadle East and Cheadle Hulme North councillor David Meller posted online about the strange substance in June, after getting several reports from residents.

"This has probably been the most unusual piece of casework I've ever had and, I hope, it isn't anything more sinister than 'bee poo' or digested pollen," Cllr Meller said.

(Image - Declan Carey LDRS)

"Hopefully, it's just nature doing its thing. However, considering it's affecting a large area of my ward – from the Ladybridge estate right over to Cheadle Heath – and there haven't been any reports of bee swarms causing this, I am nervous it's something else. I know residents affected are, too."

Stockport council has been investigating the reports.

It confirmed to the Local Democracy Reporting Service that the yellow blobs are being left by insects or bees, and are nothing to worry about.

A spokesperson for the council said: "We can understand residents' concerns but this is a common phenomenon associated with insect/bee droppings and pollen and is not a public health concern."

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