Ukraine Plans Military Response to Russian Forces

Poroshenko responds to "sharp deterioration" in rebel-held territory,

Ukrainian President Petro Poroshenko called an emergency security meeting to defend against what he called a Russian invasion after separatists gained ground in intensified fighting in eastern regions.

Poroshenko canceled a state visit to Turkey to coordinate Ukraine's military response to the "sharp deterioration" of events in rebel-held territory, he said on his website today. Stocks and futures from Moscow to New York extended declines.