Russian spies have turned properties across Western Europe into a network of “Trojan horses” designed to unleash a co-ordinated sabotage campaign, intelligence officials have warned.

The thorny issue of what to do with Russian assets has not only stumped Western leaders but also officials in Berlin who are saddled with three crumbling buildings belonging to Moscow. Known locally ...

Germany's capital and biggest city Berlin has long been gripped by a housing shortage The thorny issue of what to do with Russian assets has not only stumped Western leaders but also officials in ...