Teenage sisters Astrid and Ursula Carroll will both compete at the Commonwealth Games in Glasgow - but for different countries. Astrid, 17, was born in Edinburgh and swims for Scotland, but 14-year-old Ursula was born in Halifax and represents England. The visually impaired siblings will line up against each other in the women's 100m freestyle S13 heats on Friday morning. "It'll be nice walking out and just seeing you," laughs Astrid. "I've swam with you almost most of my life anyway, but it will be nice to be competing against you," adds Ursula, who is the youngest member of England's team at the Games.