Ukrainian forces struck an oil refinery in Omsk, nearly 2,500 kilometers (around 1,550 miles) from Ukraine's border, overnight, the General Staff said on July 6.

Russia struck Ukraine's Kyiv region with ballistic missiles on Monday, killing at least eight people and wounding dozens, authorities said, on the eve of a NATO summit in Turkey.

Ukrainian President Volodymyr Zelensky repeatedly emphasized the need for more U.S.-made interceptors, a plea he is expected to reiterate during a NATO summit this week.