This is the moment a workman forces fly tippers to load building rubble BACK into their vehicle - after catching them red-handed.

The unsuspecting couple were caught in the act as they dumped bricks and piles of stone at the roadside.

But they didn't expect to be held to account by a passing builder, who shamed them into returning every last piece of debris to their car.

The man, who asked not to be named, said: "I just happened to be in the right place at the right time.

"It's disgusting that people think they can go dumping their rubbish on other people's land - how would they like it in their back garden?

"There's absolutely no excuse for it and I wasn't going to let them get away with it. I had to put a stop to it."

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As seen in the humiliating video, the builder pulls up at the side of the road after spotting the man and woman dumping waste in a farmer's field near Wakefield.

He winds down the window and immediately confronts the pair, who look shocked to be questioned on what they're doing.

The builder can be heard asking "what are you doing?" before the couple seem to try and justify leaving the waste at the side of the road.

Bradford Telegraph and Argus:

Caught in the act: couple apologise

But he refuses to let the matter lie and repeatedly orders them to pick up their rubbish and take it home with them.

"Pick it all up and put it back in your car and take it home," the labourer shouts from his car window. "Go on hurry up.

"You don't throw it in someone else's field do you? How would you like it if I thew a load of s*** in your garden?"

He asks the couple why they don't take the waste to the tip and when they claim it's closed, he says: "go tomorrow then!"

On a number of occasions, the couple can be seen on video trying to apologise for their actions but the builder has no sympathy for them and forces them to carry on picking up their waste.

After loading dozens of bricks back into their vehicle, he insists they also move some building rubble dumped at the side of the road.

The pair claim the waste isn't theirs - until the man gets out of his work van and points out it must be as it's "bone dry" when it's pouring down with rain.

Bradford Telegraph and Argus:

'Bone dry' rubbish, wet grass - case closed

"Take it to the tip like everyone else, or buy a skip," the builder says.

He continues filming the pair as the woman puts on a pair of gloves and fills a black bin bag with rubble, which they load back into their dark blue people carrier.

Before they drive away, the couple ask the builder to delete the recording of them fly tipping but he refuses, saying "you've just been flytipping, I'm going to wait here until you've gone."

Speaking afterwards, the builder who works from a site nearby, said: "It's just not acceptable.

"I know there was a bit of f-ing and blinding from me but that's not a crime. They were fly tipping which is illegal.

"People are always leaving stuff there - sofas, chairs, building stuff, you name it - but I don't know what right they think they have.

"I don't understand why they don't just take it to a tip, it doesn't cost them anything.

"I have a works vehicle so I can't do that and have to pay £200 to hire a skip, they're just being lazy."

The builder said there is a refuse tip just ten minutes from the layby where he caught the fly tippers - and claims he followed the couple along a road just a mile or so from it after the incident.

He has had a largely positive response form the video, which he says he took to encourage others to step in and stop others fly tipping.

"I want people to know they're within their rights to hold people to account. It's not OK for people to fly tip.

"We need more awareness of it and people can't be allowed to get away with it."

"A few people have made negative comments and played the race card but this has nothing to do with race.

"They're breaking the law and I will do the same thing time and time again to do my bit to stop it happening."

The builder plans to report the incident, which happened at around 7pm on April 24 to police and the local council to investigate further.