A move by rebels in Ukraine to hold elections poses a "great danger" to the peace process, President Poroshenko warns, as he announces sanctions.

The UK is to devote more troops to UN peacekeeping, with a deployment to South Sudan, the BBC learns.

A powerful 8.3 magnitude earthquake hits central Chile, causing buildings to sway in the capital Santiago and prompting officials to issue a tsunami alert.

Republican frontrunner Donald Trump comes under attack in a fiery debate for the top candidates vying to be their party's presidential nominee.

Mexico says the burnt remains of a second student out of 43 who disappeared last year in Iguala in Guerrero state have been identified.

The execution of an Oklahoma inmate charged with murder-for-hire set for Wednesday has been delayed two weeks so lawyers can review new evidence.

UN Secretary General Ban Ki-moon says he is "shocked" after Hungarian police fire tear gas and water cannon to force migrants back from its border.

Indonesia arrests executives from seven companies accused of being behind illegal forest fires causing air pollution in the region.