U.S. President Joe Biden held a telephone call with President Vladimir Putin of Russia

Putin announced his response to NATO and US troops near Russia's borders

Turkey confirmed the deployment of US warships in the Black Sea

Elizabeth II's husband Prince Philip died at the age of 99

Message for the Russian Federation: the United States to consider sending the warships to Black Sea amid Russia-Ukraine tensions

In Russia, a new military camp has been established near the Ukrainian-Russian border

Military training camps are going to take place in several regions of Ukraine: the key goals of the training were named

Ukraine announces joint military exercises with NATO amid rising tensions with Russia

In Russia, 16 military helicopters were noticed near the Ukrainian border

Pfizer summed up the results of vaccination for six months