Ukraine's government is continuing what it calls an "anti-terrorism" operation in the country's east.
There is also growing concern that nationalist armed groups, like the Right Sector, are signing up to help them.
The Right Sector was a violent but instrumental part of the protests that ousted Viktor Yanukovich, Ukraine's former president, in February.
Al Jazeera's Kim Vinnell reports from Dessna.
Source: Al Jazeera