Kazakhstan has arrested 21 members of radical groups plotting terror attacks in public places.
Not all jihadists are psychopaths, and not all psychopaths turn violent.
Security forces in Kazakhstan arrested two men suspected of gunning down five people in attacks on a police station in Almaty.
A woman in the US state of Florida was rushed to a hospital after being bitten by a shark -- with the animal still clutching on to her arm.
Israel advised its citizens to leave Turkey citing the potential for jihadist attacks.
Turkish Internet servers are suffering a powerful cyber attack from abroad, slowing banking services and fanning fears.
Francois Hollande urged British MPs to back air strikes on Islamic State targets in Syria "in solidarity with France", in a tight vote expected early next week.
France mourned the 130 people killed in the November 13 Paris attacks, with President Francois Hollande set to lead a solemn ceremony in honour of the victims.
German Foreign Minister Frank-Walter Steinmeier said in an interview published he thought the first explosion he heard a week ago at a Paris stadium was fireworks, but soon realised it was a terror attack.
Brussels will remain at the highest possible alert level on Monday with schools and metros closed over a "serious and imminent" security threat similar to the Paris attacks.
Special forces stormed a luxury hotel in Mali after gunmen seized guests and staff in a hostage crisis that left at least 18 people dead, a week after the jihadist rampage in Paris.
Hillary Clinton called for a US-led global fight to defeat the Islamic State group and shut down its flow of fighters, propaganda and weapons in the wake of the Paris attacks.
France revealed it will spend an extra 600 million euros ($641 million) next year to ramp up security after the Paris attacks.
Israeli Prime Minister Benjamin Netanyahu called for "a global solution" to terrorism in a phone call with Francois Hollande on Wednesday to express his solidarity after the Paris attacks.
Russia's President Vladimir Putin vowed vengeance after Moscow confirmed that a bomb attack brought down a passenger jet over Egypt last month, killing all 224 people on board.
A Facebook tool that let people check whether friends were safe after deadly attacks in Paris will be used more widely in the future, the social network said.
Canadian Prime Minister Justin Trudeau faced increasing calls to delay bringing in 25,000 Syrian refugees by year's end due to security concerns, following attacks in Paris.
Britain should "think again" about taking part in air strikes on Islamic Statejihadists in Syria, Defence Secretary Michael Fallon said, after attacks in Paris that left at least 129 people dead.
Israel criticised "appallingly impudent" remarks by Sweden's foreign minister for drawing a parallel between the Paris attacks and the Palestinian-Israeli conflict.
President Francois Hollande said France would step up the battle against the Islamic State (IS) group in Syria in the wake of Paris attacks he dubbed "acts of war".