David Cameron
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PM: Syria violence is 'stain on our world'

The Prime Minister has said that what is happening in Aleppo and Damascus is "a stain on our world" and "completely unacceptable".

Speaking on a visit to Northern Ireland he said it was important to keep up the pressure on the Syrian regime.

He also said Britain would do what it could to help refugees who have fled to places such as Jordan and Turkey.

Go to next video: Battle rages in Aleppo in Syria