Kyiv sees a well-equipped army as a stronger deterrent to Moscow than any Western pledges to defend it. It is working to attract billions to buy more arms.
Ukrainian soldiers in the Donetsk region of Ukraine in May. Kyiv is counting on its booming domestic defense industry, which has already delivered drones that swarm the battlefield.
Ukraine said it had arrested a suspect in the murder of the politician, who had voiced anti-Russian views. The authorities did not explain how the suspect was tied to Moscow.