LONDON, Nov. 15 (Xinhua) -- South Wales Fire and Rescue Service declared a major incident in South Wales in the early hours of Saturday following severe flooding across the town and surrounding communities, said the service.

The service agency set the alarm in Monmouth at 1:30 a.m., saying on its website that fire and rescue crews are working throughout the area alongside police, ambulance services, and other rescue support through the night and into the day.

Teams have been carrying out rescues, evacuations, welfare checks, and moving residents from affected areas to safe places, the agency said. However, conditions remain challenging due to fast-moving water, blocked routes, and continued pressure on local infrastructure.

Area Manager Matt Jones said the flooding is "significant."

The incident came after Storm Claudia. Local media reported that more rain and flooding are expected across Britain and Ireland on Saturday.