Russia accuses Luhansk of waging war on its own people . Ukrainian forces clash with pro-Russian militants in the flashpoint city of Slovyansk . Forty-six people were killed in the bloodshed -- the deadliest since Yanukovych was ousted . Russia 's NATO says nearly 30 people were killed and nearly 30 injured in the city . Kiev says it launched a military campaign to dislodge Ukrainian separatists .
Russia accuses Luhansk of waging war on its own people . Ukrainian forces clash with pro-Russian militants in the flashpoint city of Slovyansk . Russia 's NATO says nearly 30 people were killed and nearly 30 injured in the city . Kiev says it launched a military campaign to dislodge Ukrainian separatists .