PICTURES & VIDEO: Spectacular thunderstorm causes flash floods across south Bucks

Violent thunderstorms saw heavy downpours wreak havoc across the county, with many roads - including the M40 - flooded.

Emergency services warned motorists late last night to remain safe and consider the dangerous road conditions when driving.

There are were delays reported on the M40, while sections of the M4 were also partially blocked.

RELATED STORIES:

• WEATHER WARNING: Thunderstorms expected to continue throughout today, forecasters predict 
• STORM UPDATE: Fire brigade called 40 times in two hours about flooding 
• Search and rescue team called to recover three 'floating' cars stuck in floods 
• Fallen tree blocks road in both directions 
• PICTURE: Storm appears to flood town centre railway station 
• Firefighters battle two-hectare field fire hours before flash floods hit

Social media reaction:

Lightning in High Wycombe! Crack!  @bbcweather @BBCWthrWatchers pic.twitter.com/5FAFZCqim3

— Heather Stanley (@hstanley_) July 18, 2017

@bucksfreepress amazing storm! pic.twitter.com/paycxY8JKB

— Charlotte J (@charliered99) July 18, 2017

@bucksfreepress
London Road central Wycombe turned in to lake https://t.co/DQExf4SG7Y

— Magical Trevor (@Hot_Space) July 18, 2017

Roads in Marlow are covered with debris and mud from yesterday's storm and flooding, please drive safely #MarlowNHPT #C7072

— TVP_Wycombe (@TVP_Wycombe) July 19, 2017

Wow, amazing storm last night! Don't worry H&F is still up and afloat! pic.twitter.com/fRLdldUf2q

— The Hand and Flowers (@HandFMarlow) July 19, 2017

See www.bucksfreepress.co.uk for all the latest news and updates as we get it.

Send your storm pictures to Andrew.colley@london.newsquest.co.uk or tweet @bucksfreepress