Biden exhorts world leaders at the UN to stand up to Russia September 19, 2023 at 05:58AM

President Joe Biden made a robust case before the UN General Assembly on Tuesday that the world must remain united in defending Ukraine against Russian aggression, warning that no nation can be secure if "we allow Ukraine to be carved up" as he tries to rally support for Kyiv's effort to repel a nearly 19-month-old Russian invasion that has no end in sight.