RT News - April 9, 2015 (17:00 MSK)

Sanctions dropped - or the deal's off. Tehran says it won't sign a nuclear agreement, if western powers refuse to lift restrictions, on the day the deal is signed; A high-profile UN official condemns Saudi Arabia for its air strikes in Yemen, accusing the kingdom of grave violations against civilians, including children; A French TV channel is hacked by supporters of Islamic State - that, as it emerges the jihadists' online offensive is being waged largely via websites hosted by European and American companies.