David Cameron says that he is working with other governments to try and change the political landscape of Syria.
My message to Assad is that he should go. He has the most phenomenal amount of blood on his hands. We now see 60,000 people have been killed in Syria.
I've met some of the victims when I went to the refugee camp on the Jordanian border and some of the stories they told me were completely shocking about how they had been bombed and shot. In some cases even stabbed out of their homes and villages and towns.
This is a stain on the world's conscience.
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