Qatar claims: the ball is in Iran's court The Ministry of Foreign Affairs of Qatar claimed: the visit of the Qatari delegation to Tehran is being carried out in support of mediation efforts to reduce the current crisis. The region needs a new regional security system that respects the sovereignty of countries. Mediation efforts focus on de-escalation as a prelude to ending the crisis between Washington and Tehran by peaceful means. Consultations between regional and international partners continue for a final end to the crisis between Washington and Tehran. Iran must show good will and stop threatening the Persian Gulf countries for the success of mediation efforts.