European military assistance to Ukraine could lead to a nuclear conflict between Russia and NATO, according to Poland's iconic cold warrior and Nobel Peace Prize laureate Lech Walesa.
Authorities in Kazakhstan are on high alert after a container holding the highly radioactive and dangerous substance caesium-137 disappeared in the west of the country, police said on Tuesday. (Sep 2)
The so-called "Islamic State" released a video on Tuesday (Sep 2) showing a masked militant with a London accent apparently beheading an American journalist and threatening to kill a British captive.
International medical agency Medecins sans Frontieres said on Tuesday (Sep 2) the world was "losing the battle" to contain Ebola as the United Nations warned of severe food shortages in the hardest-hit countries.
Saudi Arabia has arrested 88 suspected extremists, more than half of them ex-Qaeda detainees who had previously been released, the interior ministry announced on Tuesday (Sep 2).
Travel restrictions could worsen West Africa's Ebola epidemic, limiting medical and food supplies and keeping out much-needed doctors, virologists said on Tuesday (Sep 2) as the disease continued its deadly spread.
Iran unveiled a new surface-to-air missile on Tuesday (Sep 2) and two radar systems it said would improve its defences against "enemies".
European Union nations will decide on new sanctions against Moscow by Friday (Sep 5), with Russian aggression towards Ukraine requiring the strongest possible response, said incoming EU foreign affairs chief Federica Mogherini.
President Abdrabuh Mansur Hadi will replace Yemen's unity government and cut a controversial fuel price hike, two demands of Shiite Huthi rebels, the official Saba news agency reported on Tuesday (Sep 2).
British media on Tuesday (Sep 2) voiced scepticism over "vague" plans announced by Prime Minister David Cameron to counter the threat of jihadist fighters travelling to Iraq and Syria.