The tragedy comes after Ms Dunn required hospital treatment in August last year after suffering a number of bites from a large dog, resulting in non-life-threatening injuries, The Liverpool Echo reported.
It is unclear if the dog that attacked her last summer was involved in her death.
So, it was known that dangerous dogs were kept at the premises?
A spokeswoman for Merseyside Police said the investigation team could not comment on whether the August 2021 attack is part of their enquiries.
Why? Are they too busy wiping any evidence of a previous incident from their databases?