Thunderstorms expected in Wales after heatwave

Image source, The Met Office

Image caption, This image shows the area which could be affected by the thunderstorms

Thunderstorms have been forecast across south Wales after a week of sweltering temperatures.

from 06:00 BST to 22:00 on Sunday.

It has warned there could also be periods of torrential rain, hail and lightning.

There is a also a risk of power outages and flash flooding in some areas, the Met Office said.