WRAPUP 4-Trump says new sanctions on Iran to start Monday, dials back rhetoric

DUBAI/WASHINGTON, June 22 (Reuters) - U.S. President Donald Trump said on Saturday he would impose fresh sanctions on Iran but that he wanted to make a deal to bolster its flagging economy, an apparent move to defuse tensions following the shooting down of an unmanned U.S. drone this week by the Islamic Republic.On Thursday, an Iranian missile destroyed a U.S. Global Hawk surveillance drone, an incident that Washington said happened in international airspace.