United States gave a heads up to Moscow “hours” ahead of President Joe Biden’s “risky” surprise trip to Kyiv on Monday to avoid any chance of conflict, a senior White House aide said. Biden arrived in Kyiv on Monday, making an extraordinary first visit to the country since Russian troops invaded on February 24, 2022. After handing over their devices, journalists were made aware of his presence on Air Force One just 15 minutes before the plane took off