UK military action to come in Syria and Iran?
British troops have been involved in active combat in Kosovo. Sierra Leone, Iraq and Afghanistan in recent years
The "liberal interventionism" allows for military action if it intended to bring peace, protection and democracy to the civilian population.
David Thompson reports on whether this would apply for Iran and Syria.
More clips and news on our BBC website, external; 'like' us on Facebook , externalpage; follow us on Twitter, external