A member of the Free Syria Army fires a gun
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Why have attitudes to Syria's conflict changed?

27 August 2013 Last updated at 17:03 BST

British Prime Minister David Cameron has drawn up plans for a military response from UK to the deepening crisis in Syria.

Western politicians reacted strongly to a suspected chemical attack on Wednesday near the capital Damascus.

The Syrian government says it was not responsible and that America and others were using it as an excuse to attack.

But Mr Cameron has recalled Parliament early on Thursday so MPs can have a "clear vote" on what Britain should do.

Ricky finds out why Western countries seem to have changed their attitude to the Syrian conflict.