Russia is "not constrained by the thought of large numbers of innocent victims," Russia expert Keir Giles told Newsweek.

NATO jets were scrambled on Wednesday morning following a Russian attack near Ukraine’s border with Poland. Vladimir Putin’s forces launched a brutal attack on Ukraine’s energy sector this morning, as the Kremlin continues its efforts to cripple the country’s infrastructure.

The Kremlin has been accused of a series of attacks abroad in recent years, including shooting down a passenger plane in Azerbaijani and cutting underwater cables in the Baltic Sea