主播大秀

Canadian authorities have arrested the daughter of the founder of Chinese telecoms giant Huawei at the request of US law enforcement. Robert Fife, who broke the story for the Globe and Mail, explains the implications. Also in the programme, a meeting of the world鈥檚 biggest oil exporters will discuss output cuts to help shore up prices. Amrita Sen at Energy Aspects is at the meeting in Vienna. Then, Tumblr will ban all adult content from the social networking site later this month in a move that will alter how it is used. Buzzfeed reporter Cates Holderness explains why Tumblr is doing this now. We have a report from the Spanish port city of Barcelona about efforts to bring illegal immigrants out of the shadows. Plus, London based chef Shrimoyee Chakraborty tells us the extraordinary story of the centenarian Indian grandmother Mastanamma who became an unlikely star on YouTube for her cooking.

Presenter Roger Hearing is joined throughout the programme by Freshdialogue.com's Alison van Diggelen in Silicon Valley and Madhavan Narayanan, journalist and former senior editor at the Hindustan Times, in Delhi.

Picture: An oil rig worker (Credit: Getty Images).