Visits to the Black Sea by U.S. warships have nothing to do with U.S. security and are motivated by domestic politics, prominent Russian senator Alexei Pushkov said.

The Ukrainian president has urged NATO to deploy naval ships to the Sea of Azov amid a standoff with Russia, a statement sharply criticized by the Kremlin as a provocation aimed at further inflaming tensions.

In an interview with Global News, Ukrainian ambassador Andriy Shevchenko said the West should not hesitate in laying down a fresh round of sanctions against Russia.

With relations still raw after Russia's annexation of Crimea and its backing for a pro-Moscow insurgency in eastern Ukraine, the incident risks pushing the two countries towards a wider conflict.

Scientists discover what they say is oldest intact shipwreck in the world at the bottom of the Black Sea.

he ship, identified as the "Liman," collided with the Togo-flagged "Youzarsif H," the coastal safety authority said on its website.

Family members and friends lined a dock on the Halifax waterfront Friday to welcome the return of the HMCS Charlottetown after a six-month deployment overseas.

A Russian military official says analysis of a crashed plane's flight recorders has shown there was no explosion on board.

Search teams on Wednesday recovered another flight recorder from a military plane that crashed in the Black Sea, killing all 92 aboard, the Defence Ministry said.

20 sailors on the Canadian warship HMCS Charlottetown came down with hand, foot and mouth disease while deployed overseas