A man inspects the insides of a turret from a Ukrainian armored personnel carrier (APC) in the village of Lutugine just outside Luhanks, eastern Ukraine, September 14, 2014. Ukraine's Defence Minister said on Sunday that NATO countries were delivering weapons to his country to equip it to fight pro-Russian separatists and “stop” Russian President Vladimir Putin. Valery Heletey told a news conference he had discussed weapons deliveries in bilateral meetings with NATO defence ministers during a NATO summit in Wales on Sept. 4-5. (Photo by Marko Djurica/Reuters)

Ukrainian paratroopers ride on an armoured vehicle near Debaltseve September 13, 2014. Fighting flared near an airport in eastern Ukraine on Saturday in breach of a fragile eight-day ceasefire as the prime minister accused Russian President Vladimir Putin of planning to destroy his country. (Photo by Gleb Garanich/Reuters)

A Ukrainian paratrooper rides on a bicycle near Zhdanivka September 13, 2014. (Photo by Gleb Garanich/Reuters)

People draped with national flags on their shoulders pose for a photo with armed Ukranian soldiers during a pro-Ukranian meeting in the southern coastal town of Mariupol September 13, 2014. Ukraine's president said on Friday there could be no military solution to his country's crisis and said he hoped “a very fragile” ceasefire in the east would hold, allowing him to focus on rebuilding the shattered economy. (Photo by Vasily Fedosenko/Reuters)

A pro-Russian rebel displays a captured Ukrainian flag at the destroyed airport in Luhanks, eastern Ukraine, September 14, 2014. (Photo by Marko Djurica/Reuters)

A burnt-out plane is seen at the destroyed airport in Luhanks, eastern Ukraine, September 14, 2014. (Photo by Marko Djurica/Reuters)

A woman rides a bicycle past the remains of a burnt-out Ukrainian armored personnel carrier (APC) in the village of Lutugine just outside Luhanks, eastern Ukraine, September 14, 2014. (Photo by Marko Djurica/Reuters)

Pro-Russian rebels ride on an armored personnel carrier (APC) during a parade in Luhanks, eastern Ukraine, September 14, 2014. (Photo by Marko Djurica/Reuters)

A woman embraces her friend, a volunteer of Ukrainian self-defence battalion “Azov”, who returned the front line in the eastern regions of Ukraine, in Kiev September 15, 2014. (Photo by Valentyn Ogirenko/Reuters)

Members of Ukrainian police special task force “Sich” take part in a drill at their base in Slaviansk September 15, 2014. Fighting broke out again in Ukraine's rebel-held city of Donetsk on Monday as President Petro Poroshenko prepared to unveil a risky plan to give the separatist-minded east “special status” in a bid to end a conflict that has killed over 3,000 people. (Photo by Gleb Garanich/Reuters)

A Ukrainian soldier jumps from a tank near the eastern Ukrainian town of Pervomaysk September 12, 2014. Ukraine's president said on Friday there could be no military solution to his country's crisis and said he hoped “a very fragile” ceasefire in the east would hold, allowing him to focus on rebuilding the shattered economy. (Photo by Gleb Garanich/Reuters)

A rosary hangs from a machine gun as Ukrainian soldiers stand at their positions near the eastern Ukrainian town of Pervomaysk September 12, 2014. (Photo by Gleb Garanich/Reuters)

A Ukrainian soldier on an armored military vehicle in Kramatorsk town, near Slaviansk, Ukraine, 16 September 2014. The Parliaments of Ukraine and the European Union were set 16 September to ratify a landmark political and free trade deal, but some lawmakers expressed displeasure over a delay in the agreement. The political and trade deal ratified by parliaments in Ukraine and the European Union were the first step towards membership in the bloc, Ukrainian President Petro Poroshenko said. (Photo by Roman Pilipey/EPA)

A boy sits on an armored personnel carrier (APC) as he poses for a picture during a parade in Luhanks, eastern Ukraine, September 14, 2014. (Photo by Marko Djurica/Reuters)

Pro-Russian rebels stand near a burnt-out Ukrainian tank outside the destroyed airport in Luhanks, eastern Ukraine, September 14, 2014. (Photo by Marko Djurica/Reuters)

Damaged planes are seen at the destroyed airport in Luhanks, eastern Ukraine, September 14, 2014. (Photo by Marko Djurica/Reuters)

A volunteer of Ukrainian self-defence battalion “Azov” talks to his girlfriend after returning from the front line in Eastern regions of Ukraine, in Kiev September 15, 2014. (Photo by Valentyn Ogirenko/Reuters)

A Ukranian soldier from the volunteer battalion Shakhtarsk attends a training session on the outskirts of the southern coastal town of Mariupol September 15, 2014. (Photo by Vasily Fedosenko/Reuters)

People clean a coffin from an undertaker's showroom that was recently shelled in Donetsk, eastern Ukraine, September 16, 2014. Ukraine's parliament passed a law on Tuesday that will give “special status” to the separatist-minded eastern regions including a degree of self-governance for a three-year period, parliamentary deputies, who attended the closed session, said. (Photo by Marko Djurica/Reuters)

A pro-Russian rebel walks past burnt-out vehicles in an area that was recently shelled in Donetsk, eastern Ukraine, September 16, 2014. (Photo by Marko Djurica/Reuters)

Dogs are pictured near a Ukrainian tank at a position near Donetsk, September 16, 2014. (Photo by David Mdzinarishvili/Reuters)

A Ukrainian serviceman sits at his entrenchment near Donetsk, September 16, 2014. Russia threatened to send more troops to its newly-annexed territory of Crimea on Tuesday, after NATO began exercises in western Ukraine while Kiev's forces are fighting pro-Russian separatists in the east. (Photo by David Mdzinarishvili/Reuters)

Members of the U.S. Army 173rd Airborne Brigade demonstrate urban warfare techniques as Ukrainian soldiers look on on the second day of the “Rapid Trident” NATO military exercises on September 16, 2014 near Yavorov, Ukraine. (Photo by Sean Gallup/Getty Images)

Ukrainian marines practice urban warfare techniques following instruction from U.S. soldiers on the second day of the “Rapid Trident” NATO military exercises on September 16, 2014 near Yavorov, Ukraine. The two-week exercises include participating units from a variety of NATO and NATO-associate countries as well as Ukrainian troops. Meanwhile the Ukrainian parliement today ratified an associate agreement with the European Union and also agreed on a autonomous status for the separatist-controlled portion of eatern Ukraine. (Photo by Sean Gallup/Getty Images)

A Ukrainian soldier (L) and a member of the British Light Dragoons practice anti-IED (improvised explosive device) location and removal training on the second day of the “Rapid Trident” NATO military exercises on September 16, 2014 near Yavorov, Ukraine. (Photo by Sean Gallup/Getty Images)

Members of the U.S. Army 173rd Airborne Brigade stand at attention as a Ukrainian folk dance group performs at the opening ceremony of the “Rapid Trident” NATO military exercises on September 15, 2014 near Yavorov, Ukraine. The two-week exercises include participating units from a variety of NATO and NATO-associate countries as well as Ukrainian troops. Meanwhile fighting between pro-Russian separatists and Ukrainian armed foces has flared again in eastern Ukraine in a battle for the control of Donetsk airport despite the tenuous ceasefire. (Photo by Sean Gallup/Getty Images)

Women pose for a picture with pro-Russian rebels during a parade in Luhanks, eastern Ukraine, September 14, 2014. (Photo by Marko Djurica/Reuters)

Armed pro-russian militants pose for the photographer as they take a break at a check point near a front line where shelling continues between pro-Russian forces and the Ukrainian army in the village of Olenivka some 30 kms south of Donetsk on the way to Mariupol, eastern Ukraine, on September 14, 2014. The Ukrainian government accused pro-Russian separatists of threatening a tenuous push for peace as booming rounds of heavy artillery fire echoed across the insurgent stronghold of Donetsk. (Photo by Philippe Desmazes/AFP Photo)

A girl stands on the remains of a charred tank to get better reception on her mobile phone in the village of Novosvitlivka, eastern Ukraine, Monday, September 15, 2014. The village was severely damaged during fighting between government troops and the separatist rebels that eventually took control there in late August. (Photo by Darko Vojinovic/AP Photo)

A Ukrainian marine stands in a trench during training on the second day of the “Rapid Trident” NATO military exercises on September 16, 2014 near Yavorov, Ukraine. (Photo by Sean Gallup/Getty Images)