In his tweet account, he referred to the tension between Iran and the US, saying that the implication is one of the biggest at present.

“We still comply with the nuclear deal,” he said.

Maas arrived in Tehran late on Sunday as part of his visit to the Middle East.

During his trip to the Middle East, he discussed Iran’s role in the turbulent region and nuclear deal.

Maas is in Tehran while Germany and other EU members feel concern over JCPOA due to escalation of tensions between Iran and the US and Tehran’s reciprocal action.

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