Via AFP:
Ukraine relaunched military operations against pro-Kremlin separatists late Tuesday, hours after US Vice President Joe Biden ended a two-day visit to Kiev in which he warned Russia over its actions in the former Soviet republic.
The US Defence Department at the same time announced it was sending 600 troops to neighbouring Poland and to Baltic countries for "exercises".
Russia already has tens of thousands of its troops massed on Ukraine's eastern border.
The latest moves underscored the severity of the crisis that has brought East-West relations to their most perilous point since the...
