Russia chased away U.S Sub amid Ukraine standoff; Washington denies military op

Amid the ongoing Ukraine crisis, Russia has accused the U.S navy of sending its submarine in the Russian water near the Northern Pacific. Russia has claimed that its anti-submarine destroyer has chassed off the U.S submarine. After the incident, the Russian Defence Ministry has summoned the U.S Defence attache in Moscow. Reacting to the development, the United States has denied Russia's charges. Washington said that there is no truth in Moscow's charge. Watch this video to know more.