Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds.

A man carries a young girl who was injured in a reported barrel-bomb attack by government forces on June 3, 2014 in Kallaseh district in the northern city of Aleppo. Some 2,000 civilians, including more than 500 children, have been killed in regime air strikes on rebel-held areas of Aleppo since January, many of them in barrel bomb attacks. AFP PHOTO / BARAA AL-HALABI        (Photo credit should read BARAA AL-HALABI/AFP/Getty Images)
A man carries a young girl who was injured in a reported barrel-bomb attack by government forces on June 3, 2014 in Kallaseh district in the northern city of Aleppo. Some 2,000 civilians, including more than 500 children, have been killed in regime air strikes on rebel-held areas of Aleppo since January, many of them in barrel bomb attacks. AFP PHOTO / BARAA AL-HALABI        (Photo credit should read BARAA AL-HALABI/AFP/Getty Images)

    JUST WATCHED

    U.N.: 2016 deadliest on record for Syrian kids

MUST WATCH

U.N.: 2016 deadliest on record for Syrian kids

In a new report, UNICEF found 2016 was the deadliest year on record for Syrian children suffering in country's civil war. Jake Tapper reports.

U.N.: 2016 deadliest on record for Syrian kids

In a new report, UNICEF found 2016 was the deadliest year on record for Syrian children suffering in country's civil war. Jake Tapper reports.