Ukraine’s parliament descended into chaos after a politician took issue with criticism of Russia over the MH17 plane crash and accused Kyiv of waging war on Ukrainian people.<br /><br />The comments came from Mykola Levchenko, from the Party of Regions of former president Viktor Yanukovych. He was pushed off the rostrum by Ihor Miroshychenko of the far-right Svoboda party, and a melee ensued.<br /><br />The elected deputies did manage to approve a presidential decree calling up more military reserves to serve in the east, where fighting with pro-Russian rebels has continued.<br /><br />The authorities in Kyiv say several towns including Severodonetsk, with a population of 100,000, have been retaken by government forces after being in separatist hands.<br /><br />In Donetsk civilians have been reported killed in shelling, and desperate people have been fleeing after more clashes.<br /><br />“I never thought the Ukrainian authorities would kill us Ukrainians,” said one woman named as Larisa, speaking from a residential area in the city’s northwest.<br /><br />With explosions happening every few minutes, fire raged after an old factory was hit.<br /><br />Ukrainian troops have forced pro-Russian rebels back to their two main strongholds of Donetsk and Luhansk, where troops are said by one security official in Kyiv to be closing in.