Five prison officers have been suspended following a violent incident involving Woolwich terror suspect Michael Adebolajo.
A prison service spokesman said:
Five members of staff have been suspended while the police investigation is ongoing.
Earlier today prison officers "strenuously deny any wrongdoing" in relation to the incident.
More top news
Tonight turning foggy in places but frost free
Governor says Article 50 fears not Bank actions to blame for pound's plunge, but admits markets may yet have "mistaken" Brexit impact.
Conservative MP Zac Goldsmith read out a statement on his decision to force a by-election in protest at new runway at Heathrow Airport.