A shark mauled a boy swimming in Sydney Harbor on Sunday, leaving him in a critical condition with serious leg injuries, authorities said, marking at least the third shark attack globally in less than...

A surfer has been pulled from the water unconscious near Manly in Sydney after being mauled by a shark, in the city's third shark attack in the last 48 hours.

The boy was surfing at the southern end of Dee Why Beach on Monday morning when the shark bit his board several times.