Developments in Ukraine
Poroshenko: Heavy Weapons to Return to Front Lines if Truce Breached

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Ukrainian servicemen stand near an area where fighting has waned substantially in recent days as a cease-fire deal forged last month increasingly takes effect, eastern Ukraine, March 3, 2015.

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A small dog peers from a car as soldiers search it at a Ukrainian army checkpoint leading to Russia-backed separatists territory, near Kurakhove, Ukraine, March 3, 2015.

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Servicemen stand inside a heavy machine-gun position at a Ukrainian army checkpoint near Kurakhove, Ukraine, March 3, 2015.

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A convoy of Ukrainian armed forces, including armored personnel carriers, military vehicles and cannons, prepare to pull back from the Debaltseve region, in Blagodatne, eastern Ukraine, Feb. 27, 2015.