European Union member states have agreed to restrict the movements of Russian diplomats traveling within the bloc amid growing concerns over suspected Russian espionage and sabotage operations, the Financial Times reported Tuesday, citing officials familiar with the matter.

Under the new restrictions, which are part of a broader sanctions package over the 2022 invasion of Ukraine, Russian diplomats based in EU capitals would need to notify their host governments in advance if they plan to travel outside their country of accreditation.

The move comes in response to a rise in suspected sabotage operations — including arson, cyberattacks, drone incursions and infrastructure damage — that European intelligence agencies have blamed on Russia.

EU security officials have warned that Russian intelligence operatives frequently use diplomatic cover to conduct operations across borders, complicating surveillance efforts once they leave their host country. The FT cited one senior EU diplomat as saying that suspected spies are difficult to monitor after crossing internal EU borders.

For example, in the Czech Republic, which first proposed movement restrictions in 2023, several Russian diplomats accused of espionage were expelled. However, many of those same diplomats reportedly remain accredited in neighboring Austria, allowing them to move freely across the border into the Czech Republic.