News of Monday 20 May 2019

• Zarif to Trump: Never threaten an Iranian, try respect
• Satellite images show major damage to Saudi oil sites as Yemen vows to attack 300 targets
• Russia repels missile attack by militants on its main airbase in Syria’s Latakia
• US announces start of GCC’s ‘enhanced security patrols’ in Persian Gulf
• Katyusha rocket hits area near foreign embassies in Baghdad
• Iraq can mediate between Iran, US: Official