Iraqi forces thrust into the city of Fallujah from three directions on Monday marking a new and perilous urban phase in the week-old operation to retake the jihadist bastion.
The head of Libya's unity government has announced plans for a concerted campaign to drive the Islamic State group out of the North African country, but without foreign intervention.
Bomb-damaged Brussels airport held a drill for a partial restart on Tuesday but warned it could take months to reopen fully.
Algerian troops killed a jihadist east of the capital, the defence ministry said, bringing to 12 the number of gunmen killed by security forces in a week.
Jihadist fighters killed at least six soldiers in western Iraq in an attack Monday that began with five suicide bombers driving explosives-laden vehicles into a checkpoint, officials said.
German police on Thursday arrested a doctor suspected of having recruited a man of limited mental capacity to fight for the Islamic State organisation in Iraq.