A Peterborough man's death was due to the actions of a third party, however the final cause of death awaits further testing.
The post-mortem examination was carried out following the death of Paul Knowles.
Anne-Marie Burrowes, 52, of Ellindon, Bretton, has been charged with murder after police discovered the body of the 56-year-old at his home in Farriers Court on November 19.
RECOMMENDED READING: Woman charged with murder of Paul Knowles
Anyone with information should report online here or via the web chat service and quote Operation Pendeen.
Those without internet access should call 101.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here