As Ukraine cease-fire expires, violence escalates

By Michael Birnbaum, July 1, 2014

MOSCOW — Violence in Ukraine escalated sharply Tuesday, as artillery shells and airstrikes pierced the relative calm of a 10-day cease-fire hours after President Petro Poroshenko allowed it to expire.

Both sides appeared to be readying for a protracted battle after days in which the fighting diminished but did not disappear. It remained unclear whether the Ukrainian military, which has battled pro-Russian separatists since mid-April, would be able strike a decisive blow against the rebels, who have seized territory in eastern Ukraine.

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