Qatari negotiators have departed Tehran following discussions on the Middle East war, a diplomat told AFP on Thursday, as the US and Iran traded strikes once more.For all the latest headlines, follow our Google News channel online or via the app.“The Qatari delegation departed from Tehran this morning following talks with Iranian officials... that lasted into the early hours of this morning,” the diplomat said on condition of anonymity, adding the discussions were “conducted in coordination with the United States.”Read more: Qatari negotiators travel to Tehran to narrow gaps in US-Iran talks: Diplomat