Ukrainian air force Su-27 fighter jet is in the sky outside Slovyansk
Media playback is unsupported on your device
Video

Ukraine says Donetsk 'anti-terror operation' under way

Ukraine's acting President Olexander Turchynov has announced the start of an "anti-terrorist operation" against pro-Russian separatists.

He told parliament it was being conducted "stage by stage, in a responsible... manner".

Hours later, gunfire was heard at an airbase which officials said had been in the hands of militants.

Daniel Sandford reports.

  • 15 Apr 2014
  • From the section Europe
Go to next video: Pro-Russian mob targets journalists