Supt Kevin Purcell, of West Mercia Police has said four children were playing near the lock, but two fell in and another then went to try and get them out, while the fourth ran home to raise the alarm.
This video shows the canal where three children entered the water. Police say they are 'working hard to establish exactly how Imie came to be in the water'.
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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.
The Nottingham Forest owner & chairman, Fawaz Al Hasawi, has written an open letter to the fans following the recent takeover collapse.