The beaches will be closed “until further notice” as the EPA works to identify the cause of bizarre debris that has washed ashore.

Australian authorities closed nine Sydney beaches on Tuesday after mysterious white and grey balls washed up along the coast.Beaches closed until...

Grey ball-shaped debris found washed up along shore will be tested by Environment Protection Authority, local council says

Mysterious white and grey balls washed up along the coast.

Mysterious white and grey balls washed up along the coast.

Sydney’s Northern Beaches council said decision to reopen was made on criteria provided by the EPA. Follow today’s news live

Experts are calling for an upgrade of Sydney’s sewage system after a second round of beaches were closed upon the discovery of balls of debris...

Experts are calling for an upgrade of Sydney’s sewage system after a second round of beaches were closed upon the discovery of balls of debris...

The mysterious balls that forced the closure of several beaches in Sydney last week were found to contain saturated fatty acids, E. coli and faecal...

After beachgoers ignored warnings of ‘polluted water’, council workers have cleaned up and reopened most affected beaches in northern Sydney.