here's the bbc�*s sam judah. a demonstration outside the foreign office with a dark twist.out human rights abuses in china. but someone has been asked to infiltrate their ranks, gather intelligence, and send details to the chinese authorities. we're calling him alim, and concealing his identity. he's a refugee living in the uk. it was an audio call through wechat. when they called me, i recorded it with my other phone. alim has shared recordings of those calls. we've adapted a few to mask key details. we paid a visit to your family in xinjiang. my colleague collected their details. if you want to see them, i can set up a video call. yes, please arrange that. i just want to talk to them and find out how they are. i won't ask about anything else. 0k. no problem. i'll arrange that for you. alim was granted a very unusual video call with his mother. the officer connected them by holding two mobile phones facing each other. he used one phone to connect with my mother, and then he used another phone to contact me, allowing me to see my mother through his screen. when i saw my mot

sam judah, bbc news.s our reporter sam judah there, who asked the chinese embassy in london for its response to his report. the chinese government protects the freedom to travel of all ethnic groups including the uyghur muslims and their communications with overseas relatives in communication with the law. regarding the people losing contract by the so—called east turkestan elements, it's been verified by competent authorities that some of them are leading a normal life and some are simply fabricated. the planet's hottest month on record is drawing to a close, but the scorching temperatures are expected to continue in many parts around the world. tens of millions of americans remain under heat alerts, as the southern united states could see record breaking temperatures in the coming days, according to the country's national weather service. the city of phoenix continued its streak of sweltering heat. phoenix has gone 30 days in a row with temperatures above 110 degrees farenheight — that's 43 degrees cels