A Brazilian judge ordered to block access to WhatsApp messaging service for 72 hours. The ban will impact more than 100 million Brazilian users. Judge Marcel Montalvao was conducting a drug investigation, for this reason, he requested WhatsApp to provide the access to its data. The company refused, arguing it cannot access the chat messages due to the implementation of the end-to-end encryption. This is the same judge that ordered the arrest of Facebooks vice president for Latin America, in March.”]
Source: http://securityaffairs.co/wordpress/46950/laws-and-regulations/whatsapp-blocked-brazil.html