The body of a woman has been found at a house in Merseyside as a man police say was known to the victim has been arrested.
Police were called to an address in Huyton to reports a woman in her 40s had been found dead.
Emergency services had arrived at the scene at around 8.30am today.
She was pronounced dead at the scene.
The woman’s next of kin have been informed and are being supported by officers.
Detectives have since arrested a 21-year-old man, from Liverpool, on suspicion of murder.
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Merseyside Police at the scene on Radway Road in Huyton
He has been taken into custody to be questioned.
Police have placed cordons nearby as crime scene investigators carry out forensic examinations.
Multiple police vehicles are parked outside.
The scene is roughly a five-minute walk to Knowsley Lane Primary School and half a mile from AFC Knowsley's ground.
Forensic officers are at the scene collecting evidence
Neighbours told reporters the news was "devastating".
Detective Inspector Laura Lamping said despite the arrest the force is in "the very early stages" of the investigation.
She said: "We can confirm that a woman in her 40s has sadly died this morning following an incident at a house in Huyton.
"Although an arrest has been made, we are in the very early stages of the investigation as we seek to establish what happened at the address.
Crime scenes are in place
"It is therefore vital that anyone with information that could assist our enquiries gets in touch.
"If you live in the area and witnessed the incident, or saw any suspicious behaviour this morning on Radway Road, please contact police immediately.
"Any information, no matter how small, may prove vital to our investigation.
"Anyone who witnessed the incident, or who has information which could help us with our inquiries, is asked to DM @MerPolCC, message ‘Merseyside Police Contact Centre on Facebook’ or @CrimestoppersUK on 0800 555 111 with reference 22000322022."