A man who was arrested on suspicion of murder after a at a historic former station house killed three people, including a four-year-old girl, has been released without charge. Emergency services were called at about 10.30pm on Friday (March 28) to reports of a , near Kettering.

Northamptonshire Police said on Sunday that the other victims are believed to be a woman aged 30 and a man aged 23. The force had identified a suspect, but in an update on Sunday evening said he faces no further action.

The police also said there was no evidence of criminal wrongdoing. The victims' next of kin have been informed and are being supported by specially trained officers, according to the .

Det Ch Insp Ruby Burrow said in a statement: "It is only right that an incident such as this is treated with the utmost seriousness, to make sure we have done all we can to understand what has happened for the sake of those who have died and their loved ones.

"In some cases, this requires arrests to be made in order to best secure potential evidence.

"Our team has been working at pace on this investigation and after rigorous examination of the available information, we do not believe there is any evidence of criminal wrongdoing at this point."

She said that as a result the man has been released without charge and will now be supported by specialist officers as he continues to help the investigation.

Ms Burrow said the families have been kept updated on this development and repeated her request for their privacy to be respected at this incredibly distressing time.

In an earlier statement, Ms Burrow from the East Midlands Special Operations Unit said: "This is a heartbreaking situation and my thoughts, and those of everyone involved in responding to this fire, are with the people who died and those who love them.

"An incredibly thorough and complex investigation is underway with our partners in Northamptonshire Fire and Rescue Service to make sure we get the answers that loved ones need and deserve.

"Due to the intensity of the fire we are managing a very challenging and dangerous scene, and are working with partners to safely and respectfully recover the deceased to enable formal identification to take place."

After the blaze, one person was taken to hospital by the East Midlands Ambulance Service and three officers were assessed because of smoke inhalation, according to the police.

Specialist fire investigators with dogs have been deployed to help the investigation into the cause of the blaze.

Images from the site show extensive damage to the roof of the building, which is a 19th Century former station master's house at the now-closed Glendon and Rushton railway station.

It is a Grade II-listed building, according to the Historic England website, and is believed to now be a residential property.

Anyone with information is asked to call Northamptonshire Police on 101 quoting incident reference 25000180391.