![](http://www.cknw.com/Pics/Channels/1171/Thumbnail/Swimming%20Pool_Ball-001.jpg)
A four year old Vancouver Island boy has died in hospital five days after being found unresponsive in a backyard pool.
First responders were called when the boy was found floating in a backyard pool in Cowichan Bay on Sunday.
He was airlifted to hospital in critical condition and but passed away in hospital.
The BC Coroners' Service with the help of the RCMP are investigating.