The jaw-dropping scale of flooding caused by Storm Dennis is exposed in these shots taken by a drone in south Wales.

The village of Crickhowell, in the Brecon Beacons, was cut off as the river Ursk burst its banks near a bridge supplying an artery road.

Footage shows pubs, houses and streets submerged in muddy water, echoing scenes seen across the UK as Storm Ciara’s successor brought heavy rain and severe winds.

South Wales was issued with a red warning for ‘extensive flooding’ and dangerous conditions, while amber warnings were in force in many parts of the country on Sunday.

Dyfed Powys Police have said a man in his 60s died after falling into the river Tawe, an hour’s drive away in the Swansea Valley.

Police in the region have joined authorities in Shropshire, Worcestershire and Herefordshire in declaring a ‘major incident’ in light of the ‘serious disruption caused by adverse weather.’

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Residents in Skenfrish, Monmouthshire, have been urged to evacuate their homes, and authorities have set up refuge in Abergavenny Leisure Centre.

South Wales Police released a statement saying: ‘The emergency services, jointly with local authority planning departments, local health boards, and organisations such as Mountain Rescue, Natural Resources Wales and utility companies, are working continuously to ensure the safety and welfare of those affected, minimise damage to infrastructure and property, and minimise disruption.

‘Agencies are continuing to deal with multiple floods and landslides, and have been required to evacuate residents from houses.

‘Some communities have been cut-off as a result, but emergency service workers are working tirelessly to put measures in place to ensure the safety of residents.’