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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Mostly dry, mild and breezy.
Breezy but mostly dry with some clear spells overnight.
A bright and breezy day for most of the midlands, staying largely dry.