DUBAI, United Arab Emirates — Kuwait accused Iran of launching a failed attack earlier this month on an island where China is helping build a port in the Middle East nation. The accusation brought Tuesday came just before U.S. President Donald Trump was to depart for Beijing where he’ll meet with Chinese President Xi Jinping in a high-stakes visit over the war and other issues. Iran didn’t immediately acknowledge the allegation by Kuwait, which came under attack by Iran in the war and during the shaky ceasefire still holding in the region. But that allegation and ongoing attacks throughout the region have threatened to reignite open warfare. The narrow Strait of Hormuz remains in Iran’s chokehold, the U.S. is maintaining a blockade against Iran and negotiations between the two countries appear at a standstill. With the risk of the conflict breaking out again, Israel has sent Iron Dome air-defense weapons and personnel to operate them in the United Arab Emirates to defend the country during the war, the U.S.…