(ABC NEWS) -- President Donald Trump announced Monday that the U.S. will designate North Korea as a state sponsor of terror amid heightened nuclear tensions on the Korean peninsula.

Trump said the designation will impose further penalties on the country. He called it a long overdue step and part of the U.S. "maximum pressure campaign" against the North. North Korea would join Iran, Sudan and Syria on the list of state sponsors of terror.

"In addition to threatening the world by nuclear devastation, North Korea has repeatedly supported acts of international terrorism including assassinations on foreign soil," Trump said during a Cabinet meeting.

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