Romania detained six people on charges of trying to overthrow the state with Russia’s help, prosecutors said on Thursday, and a 101-year-old former army major general said his home had been raided as part of the investigation.

Romanian police say six people have been detained for allegedly organizing a criminal group that colluded with Russia to plot a coup against the government.

Romanian prosecutors said on Thursday they had detained six people on charges of trying to overthrow the state with the help of Russia, marking a dramatic escalation of tensions between Bucharest and Moscow.

Romanian prosecutors detained six people suspected of allegedly plotting to overthrow the government and withdraw the Black Sea nation from NATO with Russia’s help.

The suspects include a 101-year-old former military general. They are accused of wanting to overthrow the Romanian government and end its NATO membership.

In Romania, law enforcement authorities detained six individuals suspected of working for Russia and attempting to "overthrow the state order," the Directorate for Investigating Organized Crime and Terrorism in Romania reports.

The Romanian authorities have declared the military, air, and naval attaché of the Russian Federation in Bucharest, as well as his deputy, persona non grata on Romanian territory, the Ministry of Foreign Affairs (MAE) announced on March 5.