China calls for all sides to prevent the Yemen conflict from expanding, after strikes by the United States and United Kingdom on Huthi rebel targets. "We hope that the relevant parties can all play a constructive and responsible role in protecting the regional security and stability of the Red Sea, in line with the international community's shared interests," foreign ministry spokesperson Mao Ning says. ++ COMPLETES VIDI349F4X3_EN ++ IMAGES AND SOUNDBITES