A NATO country will send troops to Ukraine to learn from the war. Russia said they will be legitimate targets.

Source: Business Insider

 Martin Sylvest Andersen/Getty ImagesDenmark said it will send soldiers to Ukraine for training to learn from real-world combat. Unarmed troops will go to Western Ukraine to learn drone warfare, Denmark's commander in chief said. Russia responded that the location of personnel and equipment would be a "legitimate target.