(The Omega group is a special forces unit that is part of the National Guard of Ukraine.) “The situation is tense, but thanks to the extraordinary efforts of our defenders, due to their heroic actions, the situation remains under control,” he said. Read also: What went wrong with Russia’s major offensive on Avdiivka Russians are constantly trying to attack, but Ukraine’s Defense Forces are doing everything to deter them, he said. The occupiers constantly change their tactics — several assaults may differ from each other during the same day, he said. “The first attempt can be performed with a c…