Russian strikes on Ukraine overnight killed one person, wounded 17 and caused emergency power outages across the country, Ukrainian authorities said Thursday.In south-eastern Zaporizhzhia the regional military administration chief said one person was killed and 17 were wounded,

NATO Secretary-General Mark Rutte says pressure and sanctions are changing Vladimir Putin's calculus as Russia deals with heavy military losses in Ukraine as the war continues.

Russia appears to have been deterred by NATO's firm response last month to incursions into Polish and Estonian airspace, but Moscow is expected to continue testing boundaries, the U.S. general serving as NATO's top commander said on Tuesday.

A book by German political analyst Carlo Masala, "If Russia Wins," outlines how Moscow might make a grab for Estonia in 2028.

President Donald Trump said Tuesday that Ukraine could restore its borders from before Russia’s invasion and that he believes NATO member countries should shoot down Russian aircraft if they enter their airspace,

How Putin is provoking Ukraine’s European allies over land, air and sea - IN FOCUS: Multiples countries in the alliance have reported incursions by drones into their airspace in recent months, James C.

His goals are to scare, exhaust and divide Europeans, causing them to question their support for Ukraine and undermine its efforts to repel Russia’s invasion. Ultimately, he also wants to make the United States look weak and fragment the NATO alliance.

Russian jets violated NATO airspace over Lithuania for 18 seconds during suspected refueling exercise. Nation's president calls it a breach of international law amid tensions.