* Assaults on prison staff - record high: 10,424
* Youth custody assaults -record high: 2,466, 2018/19
* Self-harm in prisons -record high: 60,594
* Suicides in prisons - up to 90, year to Sept.
* 34% (377) were deaths of offenders supervised by National Probation Service (NPS) - up 31%
* Increase driven by rise in self-inflicted deaths: 337, up 19%, another record.