Boris slammed for obesity tax plans

UK correspondent Harriet Line reports on the reaction to Tory party leadership frontrunner Boris Johnson's pledge to dump so-called 'sin taxes' - including lifting the levy on sugary drinks. China's ambassador to the UK has been summoned to the Foreign Office for a dressing down over the Hong Kong dispute and Labour Party leader Jeremy Corbyn is demanding an investigation into reports senior officials believe he wouldn't be "physically or mentally" up to the task of prime minister.