PM suggests seeking alternatives to UN route after Moscow vetoes resolution for prosecution and punishment of those responsible for downing planeDavid Cameron suggested a fresh inquiry outside the auspices of the UN could be opened into the downing of the Malaysia Airlines MH17 plane over eastern Ukraine, after Russia blocked a UN security council resolution that would have created a tribunal to prosecute and punish anyone found responsible.Speaking in Vietnam, the latest leg of his trip to south-east Asia, Cameron responded to the Russian veto of the resolution saying: “I think it is infuriating and completely wrong.