That in itself is a struggle, never mind having the added factor of being away from your family. The super agers cheerleading in their 70s and 80s so whats the secret to a long and healthy life . And coming up on sportsday later in the hour on bbc news the last of the League Cup Quarterfinals with championship bristol city getting ready to face the holders Manchester United. Good evening and welcome to the bbc news at six. Britains Biggest Police force, the metropolitan police, is reviewing all its current sex offence investigations after the collapse of two rape cases in the space of a week. Both prosecutions were halted because the police had failed to disclose key evidence which might have helped the defence. Several legal experts are now warning that this may reflect a wider issue across england, wales and Northern Ireland. Heres our Legal Correspondent clive coleman. Are the scales ofjustice being u nfa i rly are the scales ofjustice being unfairly kicked against defendants, becau