Sri Lanka, April 25 -- Iranian MP Mahmoud Nabavian has threatened regional countries with destructive action if the United States attacks its territory again.

"Regional movements indicate the new folly of the evil American regime," he wrote on X.

"The leaders of the regional countries should know that this time, Iran's crushing response will lead to the complete cessation of regional oil production, the destruction of all infrastructure, and the displacement and refugee status of their people," he added.

Nabavian is a hardline MP who was part of Iran's delegation at the first round of talks in Islamabad.

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