<span style="color: #222222;">Chinese Vice Premier Hu Chunhua today warned that protectionism from "individual countries" poses a "serious hazard" to global growth, in an apparent reference to the US which has imposed tariffs on Chinese goods worth USD 50 billion. </span><br />'' <br />'' <span style="color: #222222;">He was speaking at the World Economic Forum on ASEAN in Hanoi. He said that some individual countries' protectionist and unilateral measures are gravely undermining the rules-based multilateral trading regime, posing a most serious hazard to the world economy.</span>