Run-off water from the fire-fighting operation reduced oxygen levels in the canal, causing the fish to die.
Police have closed Yorkhill Street, between Old Dumbarton Road and Kelvinhaugh Street, while fire crews continue their operation.
She said there was no central fire alarm system in operation but some of the individual flats were fitted with alarms.
About 100 police and fire brigade officers were involved in the operation to seal the street and investigate.
Bomb disposal experts and the fire service were also involved in the operation.
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On Sunday afternoon, the operation was halted when a fire broke out as sparks from a metal-cutter ignited scraps of fabric in the rubble.
Georgia said it launched an operation in South Ossetia on Thursday after artillery fire from separatists killed 10 people.
Local fire official DO Adusa said survivors were withholding information about the operation.
"Having recovered 25 dead bodies from the rubble, we have called off the search and rescue operation, " the director of Dhaka's fire brigade, Sheikh Mohammad Shahjalal, told the AFP news agency.
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They claim the Fire Brigades' Union is standing in the way of co-operation.
"We are happy that this high-risk operation was successful, " said Claudio Saenz, a fire department official with knowledge of the rescue efforts.
Royal Berkshire Fire and Rescue Service said they would soon be mounting an "intensive operation" to extinguish the remaining piles of smouldering compost.
An operation to prevent water from flooding a hospital has been successful, North Yorkshire Fire and Rescue Service said.
Along with police and fire crews, the rangers battled to get the surviving cows to safety in a rescue operation that took four hours.
The fire service said two crews from Battle carried out a "protracted" four-hour rescue operation.
When I woke up after the operation to remove the piece of cane, I was curious only about the coal fire opposite my bed and the taste of hospital ice cream.
That means he should have started by having the operation, getting through rehab and starting to train hard - that way he would be on fire at the beginning of the season when everyone else is tired from touring.
However, lawyers for Mr Rodney's family have already argued in court that the inquiry may fail to properly explore what happened if it does not examine how the operation was planned - and whether there could have been an opportunity to arrest the men without opening fire.
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