Australians detained in Israel after trying to sail to Gaza to deliver aid allege they were assaulted and denied food and water while in custody.
More than 400 people in a global flotilla - including 11 Australians - were released on Thursday after being intercepted by Israeli forces at gunpoint in international waters on Tuesday.
One of the Australians on board the flotilla, Zack Schofield, said many in the group were treated poorly in prison.
"Many of us haven't eaten for days. We were denied water for two days," he said in a statement.
"I have friends that were shocked with tasers, stun guns for extended periods of time just on entry to prison."
Melbourne flotilla participant Neve O'Connor said she was physically assaulted during her time in detention.