The former International Rugby star Gareth Thomas reveals he is hiv positive, saying he wants to help reduce the stigma around the condition. Clashes have broken out in hong kong between police and protesters, at the latest pro democracy rally in the territory. And at 12 30pm, the click team looks at how technology is helping those demonstrators in hong kong. Thats coming up, here on bbc news. Good afternoon and welcome to bbc news. The former Prime Minister David Cameron has accused borisjohnson of only backing brexit to further his career, in the latest released extracts from his memoirs. Mr cameron also criticises michael gove, who he brands as disloyal. He says that during the referendum campaign, both mrjohnson and mr gove became ambassadors for the expert trashing, truth twisting age of populism. Our Political Correspondent peter saull has been giving me more details about what the former Prime Minister has been saying in extracts from his new memoir. David cameron has been prett