Ukraine and Moldova experienced mass power outages on Saturday after a "technical malfunction" caused electrical lines between the two countries and Romania to fail, according to officials. Ukrainian authorities did not say what caused the lines to fail.

By Yuliia Dysa and Alexander Tanas KYIV/CHISINAU, Jan 31 (Reuters) - Parts of Ukraine and Moldova, including the capitals of both neighbouring countries, were plunged into blackouts on Saturday caused by malfunctions to high-voltage power lines,

As losses mount, the pace of Russia's advance has at times been slower than the Battle of the Somme during World War I, a report says.

A major accident in Ukraine's power system has caused electricity to be cut across large parts of the country.

Ukraine faces serious new nuclear-safety risks as a result of Russian strikes aimed at degrading its power grid, depriving the nation’s three operating atomic plants of stable electricity feeds.

By Gram Slattery and Humeyra Pamuk WASHINGTON, Jan 30 (Reuters) - U.S. and European officials are growing increasingly worried as hundreds of millions of dollars in U.S. energy assistance previously pledged for Ukraine remain unreleased,

The swift advance of Moscow’s forces into the town of Huliaipole showcases a central challenge for Kyiv: how to defend 700 miles with too few troops.

A new report warns that the number of soldiers killed, injured or missing in Russia's war in Ukraine could reach 2 million by spring