US
Asutralian newspaper says man had three-quarters of his thigh ripped off, as well as hand injuries as he fought shark
Sharks attacked people 98 times in 2015, a spike in unprovoked attacks that set a new record
Aquarium in South Korea says its biggest shark has eaten another in what it has described as a 'turf war'
Experts say attacks are increasing as water sports become more popular and bait fish move closer to shore
New South Wales unveils plan to address issue, including next-generation sonar systems and boosted aerial surveillance