MOSCOW, Rabi'II 28, 1436, February 17, 2015, SPA -- The leader of one of two regions held by pro-Russian rebels said on Tuesday his forces were complying with an agreement to withdraw heavy weaponry from the front line in east Ukraine, Russia's TASS news agency reported, according to Reuters. "Yesterday I was on the front line and our tanks, our artillery are leaving. In fact, we started fulfilling our obligations last night," said Igor Plotnitsky, leader of the self-proclaimed Luhansk People's Republic. Rebels in the other region, Donetsk, have said they will not yet withdraw big guns. --SPA 13:31 LOCAL TIME 10:31 GMT www.spa.gov.sa/w