GORDON Brown is to make one of his first appearances since the General Election when he addresses world leaders in Norway.

The former Labour prime minister, who stood down as an MP ahead of May's election but made a series of appearances in the run-up to the vote, will speak next week at the Oslo Education Summit, where Governments from across the world will meet. UN General Secretary Ban Ki Moon also set to make a speech.

Ahead of the event, 27 of the world's leading charities and campaign organisations joined forces to call on world leaders to create an urgent fund to provide education for children affected by wars and natural disasters.

It follows a new policy paper from Unesco which articulates how inefficient humanitarian and development aid systems are excluding millions of children in conflict from an education.

There are more than 20 million children currently being denied an education because they live in conflict and disaster zones, with young girls 90 per cent more likely to be out of secondary school in conflict areas than elsewhere

Groups supporting the campaign include Oxfam, Save the Children, World Vision, Action Aid and Muslim Aid.

Kolleen Bouchane, Policy and Advocacy Director for A World at School said: "The financing situation is bleak for basic education but in conflict and disaster scenarios it is absolutely devastating. Not investing in children's education in emergencies is a choice for inaction, a choice to waste the lives and resources of entire communities. It is a false economy that is increasing suffering, and costing millions.

"World leaders must no longer ignore the needs of the most vulnerable children in the world. We must see immediate action in Oslo with clear deadlines for next steps which reflect the necessary urgency to ensure entire generations are not trapped in a perpetual cycle of poverty, and war with no hope for rebuilding their lives, communities and countries.