TOP Western officials criticized former president Donald Trump after he suggested the U.S. might not protect NATO allies who aren't spending enough on defence from a potential Russian invasion. "Any suggestion that allies will not defend each other undermines all of our security, including that of the US, and puts American and European soldiers at increased risk", said NATO Secretary General Jens Stoltenberg in a written statement. "Any attack on NATO will be met with a united and forceful response," he added, reacting to remarks on Saturday by Trump, who is likely to be the Republican nominee in this year's U.S. presidential election. Polish Defence…