At least 10 Ukrainian drones were shot down on their approach to Moscow overnight into Sunday morning, according to the city's mayor, with temporary restrictions introduced at two of the capital's airports.

NBC News has analyzed satellite imagery to dig into the claims being made by Kyiv and Moscow as part of a wider propaganda war being waged in parallel to the actual fighting.

Russia launched a massive attack on Ukraine's Kharkiv, killing four and injuring dozens. President Zelenskyy condemned the violence and appealed for urgent air defense assistance.