Ukraine hits back after rebels down plane

The Ukrainian military has launched air strikes against separatist strongholds in the country's eastern region following the shooting down of a transport plane that killed 49 people. Al Jazeera's Kim Vinnell reports from Luhansk. Subscribe to our channel http://bit.ly/AJSubscribe Follow us on Twitter https://twitter.com/AJEnglish Find us on Facebook https://www.facebook.com/aljazeera Check our website: http://www.aljazeera.com/