KYIV, Ukraine—Ukrainian President Volodymyr Zelenskyy said Sunday that Defense Minister Oleksii Reznikov will be replaced this week with Rustem Umerov, a Crimean Tatar lawmaker.
Mr. Zelenskyy made the announcement on his official Telegram account, writing that new leadership was needed after Mr. Umerov “has gone through more than 550 days of full-scale war.”