South Korea and its international partners should work together to deter aggressors like North Korea within the “framework” of nuclear nonproliferation, the Netherlands’ defense chief said Tuesday, responding to the growing debate in Seoul about whether to go nuclear.

“The position of the Netherlands has been for decades, of course, that we advocate for nonproliferation of nuclear weapons. And that’s also what my position would be,” Defense Minister Ruben Brekelmans said during an interview in Seoul.

While acknowledging security concerns from North Korea’s nuclear weapons development, Brekelmans warned of a potential “domino effect” if more nations seek to acquire weapons