Foreign Secretary William Hague, who is co-chairing the largest summit on sexual violence in conflict with Angelina Jolie, wrote on Twitter:
More top news
Searing heat surges it's way in, then pouring down as we start July.
It's been a remarkable week for the US President as he enters the final stage of his presidency.
The two brightest planets in the solar system will appear close to collision tonight, an illusion caused by line of sight.