Gen. David Petraeus said China remains the biggest challenge for the US, ahead of Russia and Iran

The leader of the opposition accused Labour of failing to keep the country safe

Two of the world’s largest exporters of grain, locked in war for more than four years, have seen exports plunge even further over the last year. Prolonged conflict around the Black Sea threatens both economies - and those most in need, writes James C. Reynolds

More than 130 people were evacuated from the base near Nowa Deba after delivery arrived with unusual signature

Exclusive: Britain’s most senior military officer says Europe must take greater responsibility for its own defence

Poland accuses Russia of carrying out a coordinated and multi-faceted campaign of sabotage in a bid to deter Ukraine’s backers, writes James C. Reynolds