Lord Cameron has emphasised the necessity of sending a clear message that Houthi attacks on ships are illegal and unacceptable following British and US airstrikes on more than a dozen sites used by the Iranian-backed rebels in Yemen over the last few days. The Foreign Secretary said military action was deemed a last resort after repeated warnings, including those through the United Nations Security Council and Parliament. Report by Etemadil. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn