Russian diamonds added to sanctions

<p>From the BBC World Service: Russian diamonds are being added to the latest round of sanctions as the leaders of the G-7 nations meet in Hiroshima, Japan. The BBC&#8217;s Nick Marsh reports from there. Plus, the cost of the floods in northwest Italy will be in the billions of dollars. We hear from two people affected. And, finally, what&#8217;s the environmental cost of surfing? The BBC&#8217;s Clare Marshall has been finding out.</p>