We had the earlier reports here: Unconfirmed reports of Ukrainian military activity in the Sloviansk area of eastern Ukraine
Now getting more through via Reuters:
- Gunfire heard in rebel stronghold Slaviansk in east Ukraine
- Reuters photographer sees helicopter open fire on outskirts of Slaviansk in east Ukraine
- Pro-Russian separatists in eastern Ukraine’s Slaviansk say Ukrainian forces launch large-scale operation to retake town
- Separatists in Slaviansk say under attack by Ukrainian forces, one helicopter shot down
