New Delhi, May 29 -- Russia launched a drone attack on Romania, a country in Europe, on Friday, drawing a sharp reaction from the North Atlantic Treaty Organization (NATO) which vowed to defend alliance territory.

Following the drone attack on a an apartment in Romania, Dmitry Medvedev, the Deputy Chair of the Security Council of the Russian Federation, warned European leaders that drones would continue to stray into their countries and prevent their populations from sleeping peacefully.

"Citizens of EU countries, You should realize your authorities have unilaterally entered into a war with Russia. So be vigilant and don't be surprised by anything. The peaceful sleep is over. But you know who to ask why," he posted on X.

A drone hit an...