By notch Bryant
BBC News, Sydney

An Australian surfer has been attacked via a double-dealer next to a northern Sydney coast - the third such harm clothed in because countless weeks.

The teenager was understood headed for be present clothed in a unwavering prerequisite following anguish ruthless lacerations headed for his prop at what time surfing by his minister next to Avalon.

Experts have faith in cleaner waters approximately Sydney, added to a augment clothed in search stocks payable headed for a forbid taking place ad fishing, boast attracted extra sharks headed for the area.

In individual topical case, a diver off course limbs clothed in a double-dealer attack.

The 15-year-old teenager suffered ruthless cuts, chiefly headed for the better thigh, plus was hemorrhage a great deal at what time he was brought headed for shore.

He was airlifted headed for hospital, everyplace his prerequisite has been described because stable.

Nobody has been killed clothed in the attacks, except a sailing diver off course an limb plus a prop following living being attacked clothed in the municipality s harbour, secure headed for the Opera House.

And a surfer approximately off course a give at what time he was savaged next to Bondi.

It was the in the beginning harm next to Australia s iconic coast clothed in 80 years.

People boast been warned not headed for swim unaccompanied next to genesis before dusk, except researchers boast too sharp outdated with the intention of extra nation go to meet your maker commencing bee stings plus lightning strikes than double-dealer attacks

This editorial is commencing the BBC reports website. © British spreading Corporation