A Russian missile assault on a military training center in Ukraine last week killed 87 people in what appears to be the single deadliest attack since Russia’s Feb. 24 invasion, Ukrainian President Volodymyr Zelensky revealed on Monday.

Recommended Stories

UN chief describes ‘most massive’ human rights violations in Ukraine

Putin justifies invasion, does not declare victory or call for escalation at V-Day parade

Pentagon estimates roughly 95% of Russian troops at border now in Ukraine