Two people killed in a house explosion have been named by police.

Jo Shaw, 35, and her former partner Ryan Kelly, 41, died after Kelly forced his way into the home in Bristol with "in possession of an explosive device".

Three other people, including the person who made the call to police, were treated for minor injuries following the explosion and did not need to stay in hospital.

Supt Matt Ebbs, from Avon and Somerset Police said Shaw's death has been officially recorded as a homicide "based on the information known to us at this time". Officers have referred themselves to the police watchdog over the incident.

The mandatory referral to the Independent Office for Police Conduct (IOPC) is due to previous police contact with the victim prior to Sunday.

It said the contact related to "other domestic incidents".

Supt Ebbs said: "We know everyone's thoughts and sympathies will be with (Jo's) devastated family. Specially-trained officers are providing them with updates and support.

"We recognise there is significant interest in what happened, but at the centre of it there are many people grieving and we would please ask everyone respects that and gives them the privacy they want."

Police said they received a call from a person inside the property, on Sterncourt Road in Frenchay, at 06:17 BST reporting a domestic-related incident, stating that a man, whom they knew, had forced entry to the house.

Several double crewed units were dispatched and the caller remained on the line, the force said, and at around 06.30 said the intruder was believed to be in possession of an explosive device.

The explosion occurred at around 06:32, and the first officers arrived on the scene at 06:34, and were joined by the fire and ambulance services shortly afterwards.

Following the incident, an army bomb disposal team and specialist police officers made extensive searches of the area to ensure it was safe.

The cordon was reduced on Sunday night and almost all residents were allowed to return home, police said.

A search of an address in nearby Speedwell, linked to Kelly, did not require any evacuations of surrounding properties in the area.

Supt Ebbs said police activity was likely to continue at the scene of the explosion for several more days, but said there was not believed to be any risk to the wider public.

He emphasised the incident is not being treated as terrorism-related, adding: "As previously stated, we believe the cause of the explosion to be deliberate.

"Analysis work of the explosive device has not yet been completed."

Supt Ebbs said it would ultimately be for a coroner to determine the cause of death "in due course".

He thanked all emergency services involved in the response, as well as volunteers who supported the evacuation process.

"This remains a challenging and complex enquiry, and we are ensuring our officers and staff have access to any support they need," Supt Ebbs said.

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