The Government has published its advice on military action in Syria, stating that the legal basis for any such action would be "humanitarian intervention".
It said "if action in the Security Council is blocked, the UK would still be permitted under international law to take exceptional measures".
More top news
A dog found on top of England's highest mountain has been reunited with his owner.
Cooler in the north, feeling close further south as moisture and heat build up
The first British boxer to win an Olympic gold medal beat Andre Dirrell in Boston last night to fight his way into the history books.