South Korea's foreign minister told the country's legislature Wednesday that developing nuclear weapons is not off the table

Building nuclear weapons could be South Korea’s “plan B” in an increasingly “unpredictable” security landscape, Seoul’s top diplomat told the country’s legislature Wednesday.

The remarks from Foriegn Minister Cho Tae-yul signal that the U.S. ally could back away from its Seoul’s recent Biden-eracommitment not to develop nuclear weapons.