Voters in parts of Britain are facing floods and torrential downpours as they cast their ballots in a referendum on whether or not to remain in the European Union.
The capital, London, is expecting a month's rainfall in a few hours Thursday. Overnight thunderstorms flooded some streets, homes and businesses. Commuters also suffered disruptions.
London's Fire Brigade says it received hundreds of calls related to the weather, including reports of lightning strikes and rising water that trapped vehicles.
The Environment Agency has issued four flood warnings and 22 flood alerts across the southeastern part of the country.
Sunny weather is predicted for much of the rest of the country.
Pollsters say turnout will be a critical factor in the vote. A large turnout will favor the "remain" campaign as those who waver at the end tend to go for the status quo.
British Prime Minister David Cameron has cast his ballot today in the referendum on whether or not Britain will remain in the European Union.
The Conservative leader has headed the campaign to have Britain stay in the 28-nation bloc.
Voters are being asked, "Should the United Kingdom remain a member of the European Union or leave the European Union?"
Those pushing to leave the EU argue that a British exit can restore power to Parliament and control immigration.
Those pushing to remain in the bloc argue that Britain is safer and richer inside the 28-nation EU.
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