Bratislava: Slovakia closed all border crossings with Ukraine on Wednesday over unspecified security concerns, authorities said. The closures took effect at around 3 pm local time (1300 GMT) and will remain in place until further notice, according to the Slovak Financial Administration, the Slovak Republic press agency reported.

According to Anadolu Agency, Financial Administration spokesperson Daniel Kovac stated, "For security reasons, all border crossings on the border with Ukraine will be closed from approximately 3 pm on Wednesday until further notice." Kovac urged the public to monitor official updates and follow instructions issued by the Financial Administration and the police.

Kovac added that the Financial Administration recommends the public to monitor current information and respect the instructions of the Financial Administration and the Police Force. Authorities will continue to provide updates on the situation.

Earlier on Wednesday, Ukrainian President Volodymyr Zelenskyy warned that Ukraine could face new waves of Russian drone attacks after more than 100 unmanned aerial vehicles were reportedly detected in Ukrainian airspace.