Joe Biden tripped and fell on stage as he took part in the Air Force graduation ceremony in Colorado. The president dropped to his knees but was quickly helped back to his feet by officials during the event at the service academy in Colorado Springs on Thursday. Mr Biden, 80, pointed to a black sandbag on the stage seemingly blaming it for the stumble. The president did not appear hurt by the fall and continued to stand on stage until the ceremony ended several minutes later, according to the White House pool. “President Biden fell down on stage after handing out the last diploma to the Air Force cadets. He appeared to slip and fall going down on his knees. He was helped up by Air Force officials,” the pool report stated. White House communications director Ben LaBolt took to Twitter to say that Mr Biden was fine. “There was a sandbag on stage while he was shaking hands,” he tweeted. Mr Biden, a Democrat, is running for re-election in 2024 and his doctors declared him fit and healthy after his February physical examination. Earlier, during the commencement address, Mr Biden warned the graduates that they would enter military service in an increasingly unstable world, citing challenges from Russia and China. And he predicted that Swedend would “soon” join NATO, without giving any details of their entry into the alliance. “It will happen, I promise you,” he said, Read More Watch Biden trip and fall on-stage at Air Force graduation ceremony Biden and McCarthy’s debt limit deal went through – but there are winners and losers Biden tells US Air Force Academy graduates their leadership needed in increasingly confusing world Boeing signs alternative fuel deal with Los Angeles startup to cut carbon footprint Underestimated McCarthy emerges from debt deal empowered as speaker, still threatened by far right Senate passes GOP bill overturning student loan cancellation, teeing it up for Biden veto