俄罗斯外交部：芬兰海军演习正成为北约在俄边境升级的工具。

Group 1 - The core viewpoint of the article is that the Russian Foreign Ministry claims that Finnish naval exercises are becoming a tool for NATO to escalate tensions at the Russian border [1] Group 2 - The article highlights the increasing military cooperation between Finland and NATO, which Russia perceives as a direct threat to its national security [1] - It mentions that the Russian government is closely monitoring these military activities and may respond accordingly to protect its interests [1]