William Hague told ITV News he has joined Angelina Jolie in tackling sexual violence in conflict because "it is one of the great crimes committed in the modern world."
Speaking ahead of today's Time To Act summit, the Foreign Secretary said: "I think it is getting worse and that it will get even worse over the coming years if we don't now make a stand against this.
More top news
Sunshine in the south and east, with outbreaks of rain in the north and west.
Voting SNP will "strengthen Scotland's hand" against a Tory government, Nicola Sturgeon has said ahead of her party's manifesto launch.
A keeper killed by a tiger at a zoo in Cambridgeshire has been named in reports and described as the "shining light" of her workplace.