December 24, 2016: Portuguese football star Cristiano Ronaldo, a 'Save the Children' ambassador, said Syrian children affected by the war were "real heroes" and called for them not to lose hope.

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"Hello, this is for children of Syria. We know that you have been suffering a lot. I am a very famous player, but you are the true heroes, don't lose your hope," he said in a video message posted on social media network Twitter on Friday.

"The world is with you, we care about you. I am with you," he added.

'Save the Children' said his "generous donation" would help families buy clothes, food and medical care.

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Syria has been undergoing a four-year battle over its largest city, Aleppo, with UNICEF stating earlier this month that around 100 unaccompanied children were trapped in a building in the east of the city.

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Tens of thousands of people have been killed and hundreds of thousands displaced since 2012. (IANS)