Britain wants to see proof that Sheikha Latifa, one of the ruler of Dubai's daughters, is still alive after the BBC showed a video in which she said she was being held against her will in a barricaded villa, the foreign minister said. #News Subscribe: http://smarturl.it/reuterssubscribe Reuters brings you the latest business, finance and breaking news video from around the globe. Our reputation for accuracy and impartiality is unparalleled. Get the latest news on: http://reuters.com/ Follow Reuters on Facebook: https://www.facebook.com/Reuters Follow Reuters on Twitter: https://twitter.com/Reuters Follow Reuters on Instagram: https://www.instagram.com/reuters/?hl=en