THIS is the moment a 17-year-old boy attacks students and teachers with broken glass after storming a school screaming: “I’m going to kill you”.

Video footage shows Louis Melotte carrying out a savage attack in the reception area of ​​Birley Academy in Sheffield, South Yorkshire, before being bravely arrested by two members of staff.

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He was today given an extended prison sentence of 10 years, including five years in a juvenile detention center and an extended conditional release of five years.

Melotte posted a series of disturbing messages on social media, warning people that “today is the day” before walking into the school and attacking three people, including a 12-year-old student.

Following the sentencing, South Yorkshire Police released CCTV footage showing the attacker entering the school grounds with a shard of glass in his sleeve.

He is then seen talking to a receptionist before attacking his youngest victim. Thanks to the quick actions of Molly Bulmer and Alicia Richards, the victim is unharmed.

Mrs Bulmer, who worked at the school as a youth and integration coordinator, bravely intervened to arrest Melotte, with help from receptionist Mrs Richards, who thought she was “going to die” at the hands of the teenager.

In her victim impact statement, read out in court, she said: “To be honest, I don’t think I have fully processed what happened to me on the day of this incident.

“The fact that I was able to escape without life-changing injuries astonishes me.

“It is clear to me, as proven by his actions, that he (Melotte) is a very dangerous person. I feel very lucky to be alive.”

Melotte, of Jaunty Avenue in Sheffield, was found guilty of three charges of attempted grievous bodily harm following a trial at Sheffield Crown Court earlier this month.

He had previously pleaded guilty to two charges of wounding without intent and possession of a sharp object on school grounds.

After his conviction, the judge lifted an order to preserve his anonymity.

During the May 1 attack, the school was forced to close, after which police arrived en masse.

Judge Jeremy Richardson KC said on Friday he would nominate Ms Bulmer and Ms Richards for commendations for their bravery.

Judge Richardson said directly to Mrs Bulmer: “I think you can be extremely proud of yourself for what you have done.

“You have not been sitting still, and neither has your colleague. Not a bit. You have made progress.

“You had no idea what he had in his hands.”

The judge said: “Without regard for your own safety, you continued to protect schoolchildren.

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“That’s a brave thing to do, a very brave thing to do. You can be proud of yourself, because you made a difference.

“Both you and your colleague deserve a big compliment for what you have done.”

Ms Bulmer, who works with children at risk of exclusion, said she found it difficult to return to school after the incident, as she felt it meant the pupils she worked with were also victims.

Earlier this year, a jury heard how Melotte shared a series of messages on social media on the day of the attack, including one in which he said: “Today is the day; a calling from the Lord Jesus Christ is upon me.

“To do what God Almighty sees fit.”

The court heard how he smashed a glass at home and then calmly walked the 20 minutes to school with the pieces hidden in his sleeve.

As he began his attack, he was heard saying, “I’m going to kill everyone.”

Melotte, who sat in the dock wearing a bright blue jacket over a black shirt, was found guilty earlier this year of attempted grievous bodily harm. He had previously confessed to taking a stabbing weapon to a school.

The judge acknowledged that the suspect was autistic and had mental health problems, including psychosis at the time of the incident.

He said this explained “to some extent” what had happened, but the judge added: “You knew what you were doing, there is no doubt about that.”

Judge Richardson acknowledged that Melotte had had a difficult childhood and said he was deeply concerned about the white supremacist material he had posted online.

The judge said: “The protection of the public must be my guiding principle in this case.”

He said: “Schools and colleges are places for learning. They are also places where the participants, whether they are pupils or staff, need to feel safe. They need to be kept safe.”

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