A kamikaze drone is seen on display after US Ambassador to the United Nations Nikki Haley unveiled previously classified information intending to prove Iran violated UNSCR 2231 by providing the Houthi rebels in Yemen with arms during a press conference at Joint Base Anacostia in Washington, DC, on December 14, 2017. - Haley said Thursday that a missile fired by Huthi militants at Saudi Arabia last month had been made in Iran. "It was made in Iran then sent to Huthi militants in Yemen," Haley said of the missile. (Photo by JIM WATSON / AFP)
Iran is widely believed to be arming militant groups across the Middle East. AFP 

The Gulf's voice must be heard in Iran negotiations