Australians detained while trying to deliver aid to Gaza are taking evidence of alleged abuse and mistreatment to the International Criminal Court.
The 11 Australians among the 400 flotilla participants detained in international waters by Israel have joined the official submission lodged in The Hague, in the Netherlands.
The wider group of flotilla activists allege they suffered abuse at the hands of Israeli forces, such as broken limbs, sexual assaults, tasers to the face and being injected with unknown substances.
Australian lawyer Bernadette Zaydan, part of the legal team taking evidence to the court, said the communication alleged war crimes, crimes against humanity, torture and other serious violations of international law.
"For the survivors, it is the beginning of hopefully what will be accountability," Ms Zaydan told AAP.
