Ukraine’s newly appointed Defense Minister Valeriy Heletey has promised that the army would retake Crimea, restoring the country’s territorial integrity.

Addressing parliament in Kiev, Valeriy Heletey said: “There will be a victory parade… in Ukraine’s Sevastopol.”

Russia annexed Crimea – which has a Russian-speaking majority – in March after a controversial referendum.

In eastern Ukraine, a government offensive against pro-Russian separatists is continuing.

Lt. Gen. Valeriy Heletey was approved by Ukraine’s parliament as new defense minister after being recommended by President Petro Poroshenko

German Chancellor Angela Merkel and French President Francois Hollande have urged Russian President Vladimir Putin in a conference call to use his influence to put pressure on the rebels in the Donetsk and Luhansk regions.

Vladimir Putin said he was “deeply concerned about the rise in deaths among the civilian population and sharp increase in refugees” entering Russia from south-eastern Ukraine, according to the Kremlin.

All three leaders agreed that the Organization for Security and Co-operation in Europe (OSCE) should play a more active part in monitoring the situation in the conflict zone.

Ukrainian President Petro Poroshenko later said he was ready to return to a ceasefire provided it was observed by both sides, all hostages were freed and borders secured by government forces.

His statement came after he spoke on the phone with US Vice-President Joe Biden. Petro Poroshenko called off a unilateral truce on June 30, accusing the rebels of staging deadly attacks on Ukrainian government troops.

Lt. Gen. Valeriy Heletey, 46, was approved by Ukraine’s parliament after being recommended by Petro Poroshenko as someone who would work day and night to restore the military capability of the country’s armed forces.

His remark about Sevastopol was applauded by the chamber.

The status of Sevastopol, home port of Russia’s Black Sea Fleet for centuries, was disputed by Russia long before it annexed Crimea.

A new chief of the general staff, Viktor Muzhenko, was also appointed on Thursday.

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