professor dali yang. thank you - significant support. professor dali yang.orjoining us on the programme with your thoughts. still to come in the program— program— investigation is under way in michigan after a video emerges of a police officer fatally shooting a black man as he lay face—down on the ground. pol pot, one of the century's greatest mass murderers, is reported to have died of natural causes. he and the khmer rouge movement he led were responsible for the deaths of an estimated 1.7 million cambodians. there have been violent protests in indonesia, where playboy has gone on sale for the first time. traditionalist muslim leaders have expressed disgust. the magazine's offices have been attacked, and its editorial staff have gone into hiding. it was clear that paula's only contest was with the clock. and, as for a sporting legacy, paula radcliffe's competitors will be chasing her new world—best time for years to come. quite quietly, but quicker and quicker, she seemedj just to slide away under i the surface and disappear. this is newsday on the bbc. i