The Global Slavery Index report, released on Tuesday, monitors the extent of human trafficking and slavery around the world.

Although important victories have been won in the fight to protect girls from becoming child brides, the practice remains common and is growing.

In an open letter to world leaders ahead of receiving her Nobel Peace Prize, activist Malala Yousafzai asks world leaders to raise their ambition.

When pupils are at imminent risk of forced marriage, schools sometimes have to take desperate measures like "bundling them into a car and away".