Pakistan, June 12 -- Iran has warned that it may legally withdraw from the Nuclear Non-Proliferation Treaty (NPT) if European countries try to reimpose UN sanctions. The warning came as European powers Britain, France, and Germany push for a vote against Iran at the UN's nuclear watchdog board.

Iran's ambassador to the UN, Saeed Iravani, sent a letter repeating earlier warnings. He said Iran could take "appropriate measures," including starting the process to leave the NPT under Article X of the treaty. This warning comes amid pressure to approve a resolution accusing Iran of not cooperating over alleged undeclared nuclear activities.

If passed, the resolution could lead to reactivating UN sanctions lifted under the 2015 nuclear deal (J...