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 traded recriminations over Washington's promise to increase economic pressure on Tehran by targeting its trade partners for sanctions.Qatar, a Gulf neighbour of Iran and a U.S. ally, has served as a back-channel negotiator for the warring parties and played a direct role in securing the June ceasefire that briefly led to a cessation of hostilities.

Qatar’s Prime Minister and Minister of Foreign Affairs, Sheikh Mohammed bin Abdulrahman Al Thani, is expected to visit Tehran, very likely tomorrow (Thursday), Iran Nuances…

DOHA: Qatari Prime Minister Sheikh Mohammed bin Abdulrahman Al-Thani will visit Tehran on Thursday where he will meet a number of Iranian officials to discuss ways to…