"Russian air activity has increased all over Europe,” Stoltenberg said. The official said the pattern is risky and noted that NATO remains vigilant.
"We are ready to defend all Allies against any threat," he said.
Russian President Vladimir Putin said in an interview with German TV channel ARD said the NATO experienced two considerable waves of its expansion significantly changing the geopolitical situation.
“Furthermore, the number of military bases is growing,” he said. “Does Russia have military bases around the world? NATO and the United States have military bases scattered all over the globe, including in areas close to our borders, and their number is growing.”