US president tells MSNBC that Tehran should be ‘part of the solution’ as Saudi Arabia halts air strikes against Houthis and calls grow for political dealBarack Obama has sent a clear signal to the Iranian government that further arms deliveries to Houthi rebels in Yemen would be unacceptable.“[The crisis will] not be solved by having another proxy war fought inside Yemen and we’ve indicated to the Iranians that they need to be part of the solution and not part of the problem,” the US president said on Tuesday night.