Every day 42 million people exist in one of the world's refugee camps. Doctors Without Borders set up refugee camps in Toronto's Christie Park this morning. The camp will be in place until May 30 and then move to Waterloo.
Prime Minister David Cameron made his first visit to Lebanon, visiting a refugee camp in the Bekaa Valley. The camp is just one of 1,000 camps spread across the country.
Children at play at the Yida settlement in Unity state, in northern South Sudan.
Opened in 2011, Yida has over 70,000 refugees. Some 85% are children and women from the Nuban Mountains of South Kordofan, who fled bombardments and violence there.