At least 21 children among more than 70 people killed in Texas flash floods| BBC News

At least 70 people are known to have died in the flash floods that have swept through parts of central Texas. Hundreds of rescuers have been deployed to search for people who are missing. The worst affected area is Kerr County where a Christian youth camp located along the River Guadalupe was swept away by theflooding. "The work continues, and will continue, until everyone is found," promised Larry Leitha, the sheriff of Kerr County. People have also been confirmed dead in other parts of the state, including Travis County and Tom Green County. Multiple flash flood warnings remain in place. Texas Governor Greg Abbott signed an expanded disaster declaration to step up search efforts. He said officials would be relentless in ensuring they locate "every single person who's been a victim of this event", adding that "we will stop when the job is completed". In a post on social media, President Trump said: “These families are enduring an unimaginable tragedy.” Clive Myrie presents BBC News at Ten reporting by Gary O’Donoghue in Kerr County. Subscribe here: http://bit.ly/1rbfUog For more news, analysis and features visit: www.bbc.com/news #BBCNews