999 operator argued with mum-of-three minutes before she was stabbed 10 times by her boyfriend

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A 999 operator argued with a mum-of-three just minutes before she was stabbed 10 times by her boyfriend – with the call handler recording the wrong house address and missing the fact that she had been assaulted the day before.

The mum was slashed in the neck and face by abusive partner Oliver Mayes by the time police eventually arrived at the address on Rutland Street in Grimsby on May 19, 2016, 45 minutes after the call.

Mayes was jailed for a minimum of seven-and-a-half years after pleading guilty to attempted murder, with prosecutors describing it as one of the most shocking domestic abuse cases they had ever seen.

The victim suffered memory loss and other brain-related issues, meaning she was in a rehabilitation centre six months after the attack.

Mayes brutally attempted to murder his girlfriend 10 minutes after the phone call with police had ended, with officers arriving 25 minutes later.

This was in response to an ambulance service report that two people had been stabbed in the neck.

Mayes was arrested at the back of the house with blood on his hands.

Paul Hargreaves, lead investigator for the Independent Police Complaints Commission, said the 999 call was “not in line with national and local force call handling standards.”

The dispatcher was served with a notice that the matter was to be investigated and she retired the following day.

The IPCC was unable to interview her.

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