Energy Secretary Chris Wright warned Wednesday that Iran is “frighteningly close” to developing weapons-grade enriched uranium.

“They are a small number of weeks away to enrich that to weapons-grade uranium. There’s still a weaponization process that happens after that, but they’re quite close,” he told the Senate Armed Services Committee.

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“They have some 20% enriched uranium, and that’s several more weeks behind [the] 60%,” he added. “It’s a long process to get it to weapons-grade. But when you’re at 60%, you are, although the numbers don’t sound that way, you’re way [closer to] 90% of the way there for the enrichment necessary for weapons-grade uranium.

“It’s very concerning.”