Where is the material? "reasonable grounds" is not evidence. I'll just leave this here from the same report[1][2][3]
But the world did see how Palestinian prisoners were raped in prisons.
[1] https://imgur.com/a/TmKGadc [2] https://imgur.com/a/C6bsMp7 [3] https://imgur.com/a/ADsmgWy
Note the words "corroborated by [...] digital material" (emphasis added).
Given the consistent lies we are seeing by them, this cannot be accepted as is. I posted material from the same report you are citing.
The quotes in the imgur link do not come up in the report when you use ctrl-f.
This is the UN report (the one you linked to is the UK report). You'll find the quotes there.
https://www.un.org/sexualviolenceinconflict/wp-content/uploa...