By Gleb Bryanski MOSCOW (Reuters) -Ukrainian drones targeted St. Petersburg on Sunday, Russian authorities said, forcing the airport to close for five hours as Vladimir Putin marked Russia's Navy Day in the city,

Ukrainian drones targeted St. Petersburg, causing Pulkovo airport to close temporarily and the cancellation of Russia's Navy Day parade amid security concerns. Despite the threats, President Vladimir Putin participated in naval fleet inspections.

Russia on Sunday scaled down the festivities honoring its navy, citing security concerns as continuing Ukrainian drone attacks posed a challenge to the Kremlin.