Major fire at Canada military base leaves four dead, dozens injured

Inside Chicago's battle against the synthetic drugs flooding the US

Katie Zacharia leaving White House role less than five days into job

Sean 'Diddy' Combs moved to low-security facility in Pennsylvania

What we learned from heated US midterm Senate debates

How backlash against data centres could shape the US midterm elections

Children aged 5, 8 and 11 killed in US school shooting before suspect shot by bystander

White House defends new press secretary over her legal credentials

What we know about the criminal investigation into US congresswoman Ilhan Omar

At the Brooklyn shop in 'surreal' row with Kelly Clarkson over mechanical bird

What we know about the Pope's lung cancer diagnosis

Trump ousts Kimberly Guilfoyle as US ambassador to Greece after corruption allegations

US emergency call records reveal confusion after failed execution of Christa Pike