Police have found Anis Amri's fingerprints in the truck that mowed down a dozen people and injured several others.
Turkey reportedly banned some social media sites after the Isis video emerged online.
They were thought to be planning bomb attacks in Australian's second largest city on Christmas Day.
President Barack Obama, Nato, and former Defence Secretary Dick Cheney rank Vladimir Putin high on list of threats to west.
Operation Lafiya Dole resulted in recapture of several territories held by Isis-affiliated terrorists.
Political parties could use this to embolden the idea that there's a link between refugees and terrorism.
In this gallery, IBTimes UK looks back at the year in four countries ripped apart by conflict: Syria, Iraq, Libya and Yemen.
Refugee shelter in North Rhine Westphalia among properties raided.
Labour leader does not understand Syria is an open sore, from which the poison of fascist populism is spreading.
Top concern for Nato and Pentagon ignored by President-elect, who wants to concentration on Islamic extremists.
The militants were reportedly planning to launch a suicide attack during Christmas Day or New Year's Eve.
IBTimes UK presents its top reports from journalists who have been far afield in 2016.
Six people were arrested in Britain last week over a possible terrorist plot.
They died battling Islamists who earlier killed 10 people including a Canadian tourist
Death toll from Gedaechniskirche Christmas market truck attack stands at 12.
The 25-year-old is accused of belonging to an unspecified terrorist organisation.
Ten people including a Canadian tourist were killed in the attack.
Extremists will be quick to mark these deaths as casualties in the battle for the soul of Germany.
IS supporters deemed attacks in Germany and Turkey "a day of good tidings".
Under the slogan: 'Football is our life, let us live', Iraq wants Fifa to allow international games
Victims' families say social media sites and YouTube help to support and finance Islamic State.
From Charlie Hebdo to Berlin, the terrorist attacks that have shaken Europe.