9 beaches in Sydney have been closed after a mysterious ball-shaped piece of debris washed ashore

Nine beaches in Sydney, Australiathey were closed after the mysterious gray debris in the form of small balls washed ashore.

The discovery of the marble-sized balls comes just months after a similar incident in October last year, where there are thousands washed black balls it led to the closure of Bondi Beach, among other tourist hotspots.

ua post on Facebookthe Northern Beaches region local council warned the public to avoid Manly, Dee Why, Long Reef, Queenscliff, Freshwater, North and South Curl Curl, North Steyne and North Narrabeen beaches.

People are also being advised to stay away from the “material” until further notice while clean-up operations continue.

New South Wales Environment Authority it was confirmed in the press release to test the remains and advise the public not to touch them.

The agency noted the similarities of these pellets to those discovered last year, which were mostly composed of fatty acids and petroleum hydrocarbons, but also included traces of human waste.

Although the exact origin of the debris was not determined, the agency said at the time that it was investigating several possible causes, such as sewage leaks and ship spills.