Former President Donald Trump suggested at a South Carolina rally that Russia should be allowed to attack NATO members who fail to meet defense spending targets.

NATO Secretary-General Jens Stoltenberg, the White House, and Senators Joe Manchin and John Fetterman criticized Trump's comments, reaffirming NATO's solidarity.

Concerns arise about the stability of NATO and the potential consequences for international security if Trump were to serve a second term.

President Joe Biden labelled Trump's remarks as 'distressing and dangerous,' reflecting fears that Trump might undermine NATO's collective defense principle.

Trump's stance on allied defense spending raises fears of increased international volatility and a potential U.S. retreat from global commitments.

Congress has taken steps to prevent any president from unilaterally withdrawing from NATO, amidst concerns over Trump's commitment to the alliance.