the contaminated blood scandal of the 19705 and 80s is hearing its final evidence. 30,000 people are thought to have been infected with hiv or hepatitis c. it s this life that i was living perfectly happily and then it went, everything went. it was cataclysmic. energy companies are asked by the regulator to suspend the forced installation of prepayment meters in households that are behind with their bills. the us believes this is a chinese surveillance balloon it s been spotted over several american states. beijing has appealed for calm following the sightings. and, trying to make football greener. how teams and fans will get together this weekend, to try to reduce the carbon footprint of the game. and coming up on the bbc news channel: can britain s davis cup team overcome the altitude in bogota, and special balls, to beat colombia this weekend? good afternoon and welcome to the bbc news at 0ne. the partner of a woman who s now been missing in lancashire for a week, says