Several powerful explosions rocked Kyiv on Saturday as authorities warned that the Ukrainian capital was under threat of missile attack.“Explosions in the capital. Air defense forces are operating. Stay in shelters!” Kyiv’s mayor Vitali Klitschko said on Telegram. For the latest updates on the Russia-Ukraine war, visit our dedicated page.Ukraine’s air force also announced a countrywide air alert in the early hours of Saturday and said on social media that drones and missiles were moving over several Ukrainian regions, including the capital. AFP journalists in Kyiv heard loud explosions at several loud explosions, some accompanied by bright flashes that lit the horizon orange.Nearly three hours later, Kyiv’s regional military administration said that air defenses had been activated due to the approach of a drone. It comes as Ukraine’s President Volodymyr Zelenskyy is set to meet US President Donald Trump in Florida on Sunday to discuss a proposed plan to end the fighting that has killed