Surrey Police has referred itself the the Independent Police Complaints Commission, while it investigates the deaths of two women in Farnham.
There have been reports guns were confiscated from the property seven months before the two were found with gunshot wounds. The weapons were later returned.
A spokesperson for the Independent Police Complaints Commission confirmed the matter had been referred to them. They said: "We have a referral and are assessing it to determine our level of involvement."
More top news
The Guildford Hackney Association says a sudden decision by the council to reduce some licence fees proves historic overcharging.
A mum who claims she was asked by an air steward to either stop breastfeeding or cover up her baby, says staff need to be better trained.
Thursday night's weather for the east of the region