FILE - In this image provided by Russian Defense Ministry Press Service and released on June 23, 2017, long-range Kalibr cruise missiles are launched by a Russian Navy ship in the eastern Mediterranean.
In this image provided by Russian Defense Ministry Press Service and released on June 23, 2017, long-range Kalibr cruise missiles are launched by a Russian Navy ship in the eastern Mediterranean.
  • Russian forces fired two Kalibr cruise missiles at a cargo ship in the Black Sea last month. 
  • But Ukraine's air defenses successfully shot down the missiles, the UK revealed on Monday.
  • The brazen attack comes after Moscow stepped up threats against civilian vessels in the region. 

Ukraine thwarted a Russian missile attack on a cargo ship in the Black Sea last month, the UK government revealed on Monday, citing new intelligence.