Police on Tuesday filed terror-related charges against a 27-year-old Bangladeshi driver accused of detonating a homemade pipe bomb strapped to his body in a crowded passage of the New York subway.
An Islamic State sympathiser planned to buy a gun and kill as many revellers as possible on New Year's Eve in Melbourne's popular Federation Square, police alleged Tuesday after foiling the plot.
The number of people killed in extremist attacks declined for the second successive year in 2016 but more countries were affected, according to the Global Terrorism Index (GTI) released Wednesday.
Tillerson is only the second member of Donald Trump's cabinet to visit the war-torn country since the US president's pledge in August to stay the course in America's longest war and send more troops.
French police arrested five people, including one on a terror watchlist after discovering a suspected home-made bomb in one of Paris's most exclusive neighbourhoods at the weekend, officials said.
British police said Sunday they had made a second arrest in connection with the bombing of a London Underground train, as their probe into the terror attack widened.