Thousands of pro-Palestine protesters are set to continue to march two years after Israel began a military offensive in Gaza, as momentum for a lasting ceasefire slowly builds.

Despite the NSW Court of Appeal prohibiting a rally at the Sydney Opera House, the Palestine Action Group is urging supporters to keep political pressure on the Australian government to sanction Israel.

Protesters will march from the weekly city centre gathering point of Hyde Park and head down to George Street to Belmore Park on Sunday in an alternative route agreed with police.

A similar rally will also be held in Perth.

The demonstrations come as a group of Australian activists detained in Israel for seeking to deliver aid to Gaza amid a naval blockade have returned home.

Juliet Lamont, Hamish Paterson and A

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