Ellie Cook is a Newsweek security and defense reporter based in London, U.K. Her work focuses largely on the Russia-Ukraine war, the U.S. military, weapons systems and emerging technology.

Ukrainian forces fighting around Velyka Novosilka claim its Russian takeover will amount to nothing more than a flag-raising ...

A map made by Newsweek shows some of the 80 attacks Ukraine conducted on Russian oil refineries and depots in 2024.

It is also a key route linking towns further east to the rest of unoccupied Ukraine. It is the second significant town in Donetsk to fall to the Russians this month after Moscow claimed control of ...