British men help detain suspect after knifeman shouting 'Allahu akbar' goes on rampage in Sydney

Three Britons have described the "very surreal" moment they apprehended a knife-wielding man in Sydney moments after he allegedly stabbed a woman to death.

Footage posted online appears to show a suspect standing on a vehicle roof, holding a knife aloft and shouting, before being taken down by bystanders, who caged him by trapping him in chairs.

A woman was stabbed at a hotel at the corner of Clarence Street and King Street in Sydney. (Google Street View)placeholder image
A woman was stabbed at a hotel at the corner of Clarence Street and King Street in Sydney. (Google Street View) | Other 3rd Party

Police and witnesses said the knife-wielding man yelled "Allahu akbar", or "God is great", and attempted to stab several people in the Australian city before being arrested.

New South Wales Police said in a statement: "Inquiries are under way after the body of a woman was found inside a unit on Clarence Street, Sydney, about 3.15pm (0615 BST) today.