A global petition which encourages people across the world to voice outrage at the devastating impact on children of an ongoing civil war in Syria has been launched by the UN.

The appeal has come from UNICEF, the UN refugee agency (UNHCR) and three international aid agencies as the conflict enters its fourth year.

The agencies are concerned about the long-term consequences of the conflict on what they call “a lost generation” of children in Syria.

UNHCR spokesperson Melissa Fleming explained to Patrick Maigua why the agencies have launched this appeal and what they hoped to achieve.

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