The slaughter of 28 people on a bus in Kenya is an attempt to start a religious war, an adviser to President Uhuru Kenyatta tells the BBC.
Important sticking points remain in talks with Iran, Western powers warn, as negotiations on Tehran's nuclear programme enter their final stages.
Tunisia is set to hold its first presidential election since the 2011 "Arab Spring" revolution that triggered uprisings across the region.
Snowfall in the north-eastern US subsides, but there are now warnings of serious flooding from melting snow as temperatures rise.
Western sanctions against Russia over its role in Ukraine are aimed at forcing regime change in Moscow, Foreign Minister Sergei Lavrov says.
The deadly Ebola outbreak is now "stable" in Guinea, the country where the latest crisis began, the World Health Organization says.
Iraq's army launches an operation to retake parts of Ramadi in Anbar province, a major city largely controlled by Islamic State militants.
US troops in Afghanistan will have a broader role than initially planned next year, as their combat mission draws to a close, US officials say.
Thousands of Catholic pilgrims are converging on Goa in India to see the relics of Saint Francis Xavier, a 16th Century Spanish missionary.
A secret five-storey bunker that Albania's communist regime built in the 1970s to survive a nuclear bomb opens to the public for the first time.
King Bhumibol Adulyadej of Thailand fails to appear for a scheduled event, raising fresh concerns about his health.
Barcelona's Lionel Messi becomes the Spanish league's all-time top scorer with a hat-trick against Sevilla.
The retreat that has hosted Indian pilgrims since the Crusades
Parents who refuse to vaccinate their children against polio
The writer who foresaw the rise of the totalitarian state
My family was deported while I was at school
The dangerous beauty of the Himalayas
Trends of the week in 60 seconds
Obama enforces immigration overhaul
'Historic' snowstorm hits US north
Honduras beauty queen found dead
Bloody attack at Jerusalem synagogue
Hunt for IS killers in Kassig video