An amber warning for heavy rain strong enough to cause landslides has been issued for a large swathes of South Wales.

Forecasters predict a whole month’s worth of rain is set to fall across the area in the space of just 24 hours.

The ‘be prepared’ warning is in place until 11.59pm on Monday night and advises there is a risk of ‘fast flowing or deep floodwater’ which ‘could cause a danger to life’.

Some 120mm of rain could fall on high ground, sufficient to trigger landslides, a spokesperson for the British Geological Survey said.

The Met Office warned that the impact will be felt more greatly in what it termed a ‘significant event for many’ as the ground is already saturated from previous rainfall.

Wales has so far experienced 240mm of rain this month, far more than its average for No

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