Is Beijing blocking WhatsApp in mainland China?
South China Morning Post, July 18, 2017
http://www.scmp.com/news/china/policies-politics/article/2103168/beijing-blocking-whatsapp-mainland-china
WhatsApp內地受阻 外交部稱不了解 (WhatsApp partially blocked in the mainland; Foreign Ministry: don’t know about the messaging app)
Radio Television Hong Kong, July 18, 2017
http://news.rthk.hk/rthk/ch/component/k2/1342866-20170718.htm