REUTERS/Anton Vaganov
- Unknown saboteurs blew up several Russian aircraft at a military base near Moscow, Ukraine reported.
- Kyiv said the attack damaged two planes and a helicopter and caused 'hysteria' in the Russian military.
- The reported incident this week marks the latest in a recent string of attacks on airfields in Russia.
Unknown saboteurs "blew up" several Russian military aircraft at a base near Moscow earlier this week, Ukraine's military intelligence agency said on Wednesday.