Dog walkers on Anglesey have been put on high alert following reports of an "unknown substance" at popular north Wales beauty spot. The warning came after Environment officers and police were alerted to the situation at Newborough Forest. Owners venturing in the area are being advised to remain vigilant and keep their pets on leads for now, with images surfacing of pink capsules littered in the woodland.

A statement from Natural Resources Wales stated: "We've received reports of an unknown substance at Newborough forest. Our officers are investigating and we have informed the police as a precaution." Separately, overwhelming visitor numbers and transport issues have ruffled feathers among locals, especially with the bank holiday weekend promising even greater influxes.

READ MORE: Dog walker stuck in mud and minutes from drowning 'thought my time was up', then two children arrived READ MORE: Emergency services including air ambulance rush to major incident near aqueduct Discussions continue as both residents and visitors express their anxieties about tourism's impact, infrastructure adequacies, and local management strategies, reports North Wales Live . Natural Resources Wales urges visitors to the popular seaside destination to prepare for potential disruptions, especially during peak hours. For the latest Welsh news delivered to your inbox sign up to our newsletter A spokesperson stated: "Those visiting are being asked to plan ahead, be aware of traffic congestion, to respec.