08/27/2014 01:26 pm ET Updated Aug 27, 2014

Ukraine Says Russian Forces Lead Major New Offensive in East

NOVOAZOVSK, Ukraine — Tanks, artillery and infantry have crossed from Russia into an unbreached part of eastern Ukraine in recent days, attacking Ukrainian forces and causing panic and wholesale retreat not only in this small border town but a wide swath of territory, in what Ukrainian and Western military officials are calling a stealth invasion.

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