Australians detained by Israel while attempting to deliver aid to Gaza have lodged serious abuse and mistreatment allegations with the International Criminal Court.

Eleven Australians were detained by Israel while on board a flotilla attempting to deliver aid to Gaza.

Australians detained by Israel while attempting to deliver aid to Gaza have lodged serious abuse and mistreatment allegations with the International Criminal Court.

Submission to The Hague includes survivor testimony and medical records, organisers say