UNICEF made its plea a day after four children died in a fire at the overcrowded camp of Al-Hol, for people displaced in the fight against the Islamic State (ISIS) group.

After years of leading the US-backed fight against ISIS, Syria's Kurds hold thousands of alleged jihadist fighters in jails and tens of thousands of their family members in camps in northeast Syria.

They hail from Syria, neighboring Iraq and dozens of other foreign countries.

Reporter's code: 50101