Russia’s parliamentary elections have shown that its people cannot be intimidated or defeated, President Vladimir Putin has said.

Speaking at a Kremlin meeting with the leadership of political parties on Monday, Putin said attempts to disrupt the election campaign and interfere in the country’s internal affairs had failed, adding that “terrorist methods and instruments of foreign intelligence services” had been used.

The September 18-20 vote was accompanied by a massive Ukrainian drone raid targeting Moscow and other Russian regions on its final day. Russian officials said more than 1,600 UAVs were repelled, including 450 on approaches to the capital. Moscow Mayor Sergey Sobyanin described the attack as “unprecedented” and said it had been intended to disrupt the elections. At least two civilians were reported killed in Moscow Region.

Putin thanked tens of millions of Russians for taking part in the vote, saying the turnout had ensured the “indisputable, unquestionable legitimacy” of the election.

“People here are strong, courageous and educated; everyone understands perfectly well what is happening around Russia,” Putin said. “It became clear that such people cannot be intimidated. And it is impossible to defeat such people, such a country. Therefore, victory will undoubtedly be ours.”

The president also said the vote had demonstrated public support for Russian troops, noting that candidates who had taken part in the Ukraine conflict had won seats in parliament.

The ruling United Russia party secured 355 of the State Duma’s 450 seats.

Separately on Monday, Putin signed a decree increasing the authorized strength of the Russian Armed Forces to 2,441,630 personnel, including 1,550,500 servicemen. The measure adds 15,500 positions compared with the previous decree.