"Explosions Rock Kyiv as Suspects in Moscow Concert Terror Attack Appear in Court: Live Updates"

Four suspects in the deadly Moscow concert hall attack appeared in court, charged with committing an act of terrorism; Ukraine's air force destroyed two ballistic missiles over Kyiv, while keeping power imports high and not planning to export power after Russian attacks on the energy sector; Russian investigation into the attack is ongoing, with the Kremlin not commenting on the Islamic State group's involvement; explosions rocked Kyiv, with debris falling in several districts and a fire erupting in Mykolaiv after a drone collapse; more than 200,000 users are without power in Kharkiv and nearby regions after Russian strikes, according to Ukrainian officials.