Saudi Arabia's ban of online functions on BlackBerry mobile phones is implemented.
Alleged Saudi-led coalition airstrikes on a fish market and hospital entrance kill at least 20 people in Al Hudaydah, Yemen. A Saudi spokesman denies that its jets were in the area at the time, and blames rebels instead.
The United Arab Emirates will suspend some BlackBerry mobile services from October amid concerns that data from some equipment is being exported offshore and managed by foreign organisations. Saudi Arabia plans to suspend some services later this month.