This video shows the sections of the roof of a Kent supermarket collapse under the weight of the heavy rain.
Morrisons in Maidstone was evacuated and had to close after sections of the roofing gave way in the store.
It comes after Asda in Sittingbourne, Kent, also had to close its doors because of rain coming through the ceiling.
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Most of the region's MPs will support the Government's motion calling for air strikes in Syria, writes Political Correspondent Phil Hornby.
Tuesday afternoon's weather for the west of the region
Tuesday afternoon's weather for the east of the region