Diplomatic progress achieved on the Ukrainian crisis.The foreign ministers of Ukraine, Russia, France and Germany are calling on all sides involved in the fighting, for the cease-fire. Germany"s Foreign Minister, who hosted a meeting of his counterparts from Russia, Ukraine and France, said the four parties had agreed that the demarcation line defined in the Minsk agreement of last year should form the basis for the withdrawal. Under the plan, Ukraine and the pro-Russian separatists would pull back their heavy arms 15 kilometers (9 miles) on either side of the line, though there was no agreement on a withdrawal of all troops.and withdrawal of heavy weapons outside the demarcation line agreement. The parties also agreed that the contact group of Ukraine, Russia, and the OSCE should meet as soon as possible with the aim of laying further groundwork for a high-level meeting in Kazakhstan"s capital Astana aimed at reaching a long-lasting settlement.