Medals for Brit girls Jackson and Adlington

BRITISH pair Jo Jackson and Rebecca Adlington both scooped medals in the 400m freestyle but were pipped by Federica Pellegrini&rsquo;s world record time at the World Championships in Italy.<br /><br />Home favourite Pellegrini became the first woman to swim the distance in under four minutes &ndash; with a time of three minutes, 59.15 seconds. <br /><br />Jackson set a new British record time to claim silver, while Olympic champion Adlington took bronze with a personal best time. Great Britain&rsquo;s teams came seventh in the men&rsquo;s and women&rsquo;s 4x100m freestyle relay, while David Davies was eighth in the men&rsquo;s 400m freestyle.