Abbas Araghchi meets with his Qatari counterpart in Doha, expresses readiness for talks on stability and security of the region

Fearing 'real risk of escalation,' Berlin sends envoy after Iran warns that Germany, France, Britain, China, Russia have 2 months to develop plan to block US sanctions

French diplomat says Europe may reimpose sanctions if Iran pulls out of deal as Tehran hints at retaliatory actions on anniversary of US leaving pact