Police say the three men arrested and questioned in connection with the alleged beating of an elephant have been bailed.
Leicestershire Police said:
"We are currently carrying out an investigation in connection with the unnecessary suffering to an elephant at Twycross Zoo.
"Three people have been arrested in connection with the incident and have been released on police bail pending further inquiries."
More top news
ITV Central's Health Correspondent was given exclusive access to the A&E department which is of most concern to Jeremy Hunt.
The Trust, which is in special measures, was named and shamed by the Health Secretary Jeremy Hunt as being one of the worst in the country.
Paul Farrelly, the Labour MP for Newcastle-under-Lyme, told ITV Central's political programme Central Lobby.