FILE – In this Friday, April 7, 2017, file photo, U.S. President Donald Trump, left, and Chinese President Xi Jinping pause for photographs at Mar-a-Lago in Palm Beach, Fla. North Korea often marks significant dates by displaying military capability, and South Korean officials say there’s a chance the country will conduct its sixth nuclear test or its maiden test launch of an ICBM around the founding anniversary of its military on Tuesday, April 25. Trump spoke by phone with both the Japanese and Chinese leaders Monday, April 24. China’s official broadcaster CCTV quoted Xi telling Trump that China strongly opposed North Korea’s nuclear weapons program and hoped “all parties will exercise restraint and avoid aggravating the situation.” (AP/RSS Photo/Alex Brandon, File)