By Parisa Hafezi, Jana Choukeir and Eman AbouhassiraDUBAI, Aug 27 (Reuters) - The prime minister of U.S. ally Qatar visited Tehran on Thursday in a bid to revive diplomacy as the U.S. and Iran traded recriminations over Washington's latest sanctions drive, described by one Iranian official as "all-out economic war".A Gulf neighbour of Iran, Qatar has served as a back-channel negotiator for the warring parties and played a direct role in securing a June ceasefire that briefly led to a cessation of hostilities.

Qatar's PM visits Tehran for talks on US-Iran tensions. Diplomatic meeting by December 31, 2026 at 55.5% YES.

By Yomna Ehab and Parisa HafeziCAIRO/DUBAI, Aug 27 (Reuters) - Qatar's prime minister will visit Tehran on Thursday in an effort to relaunch diplomacy after the U.S. and Iran…