Police in Sunderland are putting the brakes on motorbike menaces blighting a popular site.
Officers are cracking down on anti-social behaviour caused by off-road motorbikes after concerns about groups using Fulwell Quarry as a racetrack.
Police have been tackling the issue since the summer and say that as well as creating noise and disruption, the bikes can also be a danger to both those using the site and the riders themselves.
To combat the issue, police have kept a visible presence in the quarry, carrying out regular patrols to take action.
Section 59 notices have also been issued to riders racing in the quarry, warning them that their behaviour is inconsiderate and irresponsible.
The riders are also told that if they continue, their bikes will be seized by police and could ultimately end up being crushed.
As part of the crackdown, some bikes have been seized and summonses have been issued for dangerous driving, no insurance and no licence.
Dispersal orders have also been put in place which means those gathering in the area must leave and not return for a set time.
Police are also in the process of applying for a criminal behaviour order for the worst offenders.
Sunderland North Neighbourhood Inspector Don Wade said: “We are tackling the issue of motorbike disorder, which occurs mainly at the weekend.
“My message is clear; if you use the quarry to illegally ride your off-road motorbike, my officers will be there to stop you - and you could ultimately see your motorbike being crushed.
“Fulwell Quarry might be disused, but it is a site of special scientific interest with huge national geological importance, which is being ruined by these bikes.
“The disorder is causing a huge amount of disruption to local residents, and is ultimately a danger. “People use the quarry to walk their dogs and we cannot have motorbike riders racing around on motorbikes putting them at risk.
“There are designated racetracks in the region for off-road motorbike riders to use, and I would encourage people to please make use of these sites. “If they are caught on the quarry not only could they have their motorbike crushed, but they could find it difficult to get a future driving licence and insurance.”