Reuben Page from the Environment Agency says that the oxygen levels in the canal are now back to normal.
The oxygen levels were affected by the recent warm weather, which the Environment Agency says usually only affects still water.
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A senior court prosecutor from Worcester stabbed his wife in the head as she slept after a bout of depression brought on by work pressures.
A man has appeared at Birmingham Magistrates Court charged with the murder of another man who was found dead in Coventry on Monday night.
"This was an incident of domestic violence of the highest severity which sadly had tragic consequences."