 This is All Things Considered from NPR News. I'm Elsa Chang. Polls have just closed in the United Kingdom, where voters are electing a new parliament and prime minister. In recent days, polls have been predicting a wipeout for ruling conservatives, possibly of historic proportions, and a swing to the center-left Labour Party. But it all comes down to what voters actually do on Election Day. And that's why NPR's Lauren Frayer has spent the day at polling stations in London and joins us now. Hey, Lauren.