Taliban's seizure prompted Washington to prolong the 14-year-old US military engagement in Afghanistan

The fate of the Arak reactor in central Iran was one of the toughest sticking points in the long nuclear negotiations

Assault on Radisson Blu hotel in Bamako came a week after militants unleashed a spate of gun and bomb attacks in Paris

Separately, Turkey deported a group of Moroccans detained at Istanbul's main airport this week

Security staff at the Colosseum already had hand-held metal detectors but the upgrade will ensure greater protection

Gunmen stopped three night buses in Zabul province, on the main road between Kabul and the southern city of Kandahar

Belgium, and its capital in particular, have been at the centre of investigations into the Paris attacks

The robber is suspected in holdups at more than 30 fast-food restaurants

Bieber's songs all come from his album Purpose which sold 90,000 copies this week

Brussels was placed on the top level "four" in the government's threat scale