Sanctions threat grows as Ukraine tensions rise

LONDON (AP) — Fears of a tit-for-tat campaign of economic sanctions between Russia and Western powers over Ukraine ratcheted up Monday, with concerns largely centering on Russia’s supplies of natural gas to Europe.

But with the situation in Ukraine still fluid, it’s not clear how far either side is willing to go. While the European Union is by far the biggest consumer of Russian gas, any disruption would come at huge financial cost to Moscow.