Nine beaches in Sydney, including well-known Manly beach, were closed to bathers on Tuesday after small white and grey balls of debris washed up on the shores at the height of the summer holiday ...

Nine popular beaches located in the northern Sydney area — including Manly Beach — were closed on Tuesday, Jan. 14, as officials investigated the “marble-shaped” debris that washed ashore ...

Nine beaches in Sydney, including popular Manly beach, were closed to visitors on Tuesday after small white and grey balls of debris washed up on the shores at the height of the summer holiday season.

Nine popular beaches in Sydney, including the iconic Manly Beach, were closed to swimmers on Tuesday after small white and grey balls of debris appeared on the shores during the peak of the summer ...

Samples of the unidentified ball-shaped debris found washed ashore at Manly Beach. Source: AAP / Northern Beaches Council "It may not be the case (that the source is sewerage) but it needs to be ...

Manly, Dee Why, Long Reef ... A small number of the balls also washed up at Silver Beach in the city's south in December. Anyone who notices the debris on other beaches in the city's north ...

Nine beaches in Sydney, including well-known Manly beach, were closed to bathers on Tuesday after small white and grey balls of debris washed up on the shores at the height of the summer holiday ...

However, despite multiple warning signs in place at Manly Beach, many swimmers were still spotted in the water on Tuesday afternoon. Images from the beach revealed signs which read “beach closed ...

Nine beaches in Sydney, including well-known Manly beach, were closed to bathers on Tuesday after small white and grey balls of debris washed up on the shores at the height of the summer holiday ...