A Qatari negotiating team has arrived in Tehran in coordination with the United States to help secure a deal to end the war with Iran and resolve outstanding issues, a source with knowledge of the matter tells Reuters.

Doha, which has worked as a mediator in the Gaza war and other areas of international tensions, had till now distanced itself from playing a mediation role in the Iran war after it came under attack from Iranian missiles and drones during the latest conflict.