Ukrainian drone strikes hit industrial infrastructure near Saint Petersburg and Tambov, disrupting flight operations during the opening of a major international economic forum.These attacks occurred alongside massive Russian missile bombardments across Ukrainian cities, which resulted in numerous civilian casualties and significant infrastructure damage.President Volodymyr Zelenskyy has called for enhanced international support as both nations escalate their cross-border conflict.Russian officials confirmed widespread damage to energy facilities while imposing new entry bans on British nationals in retaliation for perceived provocations.