Heavy rain could cause flash flooding in parts of UK, Met Office warns

Thunderstorms could bring up to 100mm of rain in some places on Friday and Saturday, forecasters say

Heavy downpours and thunderstorms could cause flash flooding across parts of the UK as the unsettled weather continues.

Forecasters say as much as 100mm (4in) of rain could fall in some places, with the potential for between 20 and 30mm in the space of an hour.