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Imagine you're walking to work, minding your own business, your route takes you along a river. Lovely.
Now imagine looking down at the river and seeing this:
What...what is that?
Last Monday a bunch of people on their way to work were greeted with the unusual sight of bright green water in the River Aire in Leeds.
One passer-by, Ollie Sharp, couldn't believe what he was seeing, so decided to whip out his camera to capture the bizarre phenomenon.
He said: "I was on my way to work and I just thought 'what the hell is that?' I'd got to the section of river near Water Lane and Bridge Street and it caught my eye.
"I thought it was really strange, I had never seen this before, the river is usually really murky when I walk past so I got my phone out and took a picture of it.
Credit: Mercury Press
"A lot of people started mentioning the Teenage Mutant Ninja Turtles to me saying it could be them in the river. It does look like something straight from a comic book."
Ollie, who was a bit concerned it may have been some sort of toxic spill, which may or may not have resulted in a load of turtles being trained by a mutant martial art expert rat, called the environmental agency.
Ollie continued: "When I saw the water I took pictures and emailed it straight over to the Environment Agency just in case someone had been dumping stuff in the river. I thought it could have been toxic so they needed to know.
"Luckily it turned out to be just dye, they were tracing pollution in the water, so they had put a specialist dye in it. The environment agency knew all about it."
Credit: Mercury Press
A spokesperson from the environmental agency said: "The Environment Agency monitors and improves water quality to benefit communities and the environment. We can reassure people that this is a bright but harmless substance.
"The very visible dye is used to help trace the way water flows, it was being used in a controlled way to help identify and investigate any possible pollution. The investigation into the River Aire is currently live so we can't share further details at this point."
I think that rules out any real-life Teenage Mutant Ninja Turtles.
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