It was also reported that & nbsp; Ukraine will use the tactics of echelon cover & nbsp; borders and allow the security forces to open fire. He noted that the territorial defense units number about three thousand fighters. Prior to that, employees of the National Guard of Ukraine began exercises in the Chernihiv region, 800 meters from the border with Belarus. Истoчник aif.ru This was stated by the acting head of the Kharkiv region Alexander Skakun. The Territorial Defense Forces of Ukraine will hold an exercise near the border with Russia next week. “ We have planned, probably next week, the first active training that could be applied near the border '', & ndash; Skakun told the Ukrainian edition of Censor.net.