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.

Volodymyr Zelenskyy said the Russian truck drivers who transported what would become platforms for Ukraine's drone attack on Russian warplanes did so unwittingly.