More mystery balls wash up in south Sydney weeks after ‘fatbergs’ close eastern suburbs beaches

The EPA described the balls incident as ‘a much smaller event’ than the one affecting Sydney’s eastern suburbs in October. Photograph: EPA

Mysterious green, grey and black balls have washed up on a beach in Kurnell, in Sydney’s south, with beachgoers warned to avoid the area.

Authorities said the “ball-shaped debris” washed up along the eastern end of Silver beach on Tuesday.