He said that serious investments in Latvia's air defence have begun in recent years, while threats to airspace posed by low-flying and slow-flying objects have emerged in the last 3-5 years.
"We have had many cases, but over the past three months each one is different. Each one is different because it depends on the trajectory in which the unmanned aerial vehicles fly, the altitude, the weather conditions. Radar coverage also differs. It also depends on geography. (..) These differ...