- Khayerul Miah, 21, and brother Thahirul, 23, fled to Syria earlier this year
- Mother Rana Begum, 44, has been told one may have been killed in fighting
- Mrs Begum works at Torriano Infants School, Kentish Town, north London
- Growing anger after school did not tell parents about the men joining ISIS
- School said Mrs Begum is a 'valued' teacher and 'renounces' sons' activity
Two sons of a nursery school teacher have left Britain to join ISIS - and one is believed to have been killed in battle.
Khayerul Miah, 21, and his brother Thahirul, 23, are said to have fled to Syria from their homes in Kentish Town, north west London, earlier this year.
Their mother Rana Begum, 44, has now been told by police that one of her British-born sons may have died fighting for the terror group. It is believed that it was her who initially told police that they had fled the UK.
Khayerul Miah, 21, has left from his home in Kentish Town, north west London, to fight in Syria for ISIS alongside his 23-year-old brother Thahirul
But Torriano Infants School, where Mrs Begum works as a nursery school nurse and teacher, had not officially told parents about the brothers joining ISIS until today.
This morning, the school insisted that Mrs Begum - who worked at the school for 18 years - is a 'valued member of staff' who poses 'no threat' to pupils, adding that her sons' radicalistaion had been 'a personal tragedy'.
A friend of the family, 20, said: 'As far as I'm aware she called the police and said they had travelled to Syria.
'She called the police to say her children have flown to Syria. Take that heartache and add it to not knowing whether one of your kids is dead or alive - it's heartbreaking.'
He added that Khayerul 'did not have a bad bone in his body'.
He said: 'It was heart breaking to know he fled there. It's sad he's been groomed like this. He was one of those people who worked hard and wanted to do something with his life.'
In a statement issued this morning Luca Salice, Chair of Governors, said Mrs Begum completely 'renounces' the activity of her two sons.
In a letter to parents, it added that the school was 'disappointed' the matter had been shared in a public forum.
The statement read: 'The mother of the two young men is a valued member of staff at Torriano Primary School and she completely renounces their activity.
'The school immediately followed the agreed procedures for safeguarding children by contacting both the Metropolitan Police and the Council 'Prevent' officers, who are responsible for responding to threats of radicalisation.
'The police and prevent team investigations concluded there was no indication the two young men had been radicalised by their mother and no further action should be taken as she poses no threat to pupils in the schools.
'We take our duties under the Prevent Strategy very seriously - we report suspicious activity to the police and have a strong safeguarding practice to counter both sexual exploitation and radicalisation.
'Torriano is proud of its record in fostering community cohesion within its diverse community.'
They added: 'This was a personal tragedy for this member of staff and her family.
'We call upon the media to respect her grief and to remain mindful of the feelings of staff and the impact on pupils and parents.'
Today, there were three meetings for parents to answer any questions about the situation.
The majority of parents seemed satisfied by the school's steps to inform the police who then vetted the teacher.
Meanwhile, friends said police have searched the family's home - a three-bed flat valued at around £750,000 - and taken away computers.
The brothers' father Shamshad Miah, 49, is believed to work as a taxi driver and is on the executive committee of the local mosque. Neighbours say they have another brother who remained at home.
Today, neighbours told how the brothers seemed like normal children and that their mother was a 'good teacher' who would have been devastated by their radicalisation.
John, a neighbour who has one child at Torriano taught by Rana, said he would defend the teacher from 'toffee-nosed' parents who may call for her to quit.
The father-of-two, 50, who declined to give his surname said: 'Their son's may have gone to Syria but at the end of the day they have been corrupted by somebody else. It's not their parents' fault.
'We've got a big meeting at the school about this tonight. If they try and say she should go I will stick up for her. She hasn't done anything wrong. She's a good teacher. She is good at her job.'
Another neighbour, Jay Kay, added: 'Regardless of how her son died, she's a human being, she's got emotions and she's got feelings, they need to be respected.
'She's a great woman and her husband is a great bloke.
They are a humble, working class family. They wouldn't hurt a fly. They have been misguided by horrible people, they were manipulated and brainwashed.'
One neighbour Sam, 63, said the brothers seemed like a normal pair and were part of a 'normal family' but he never saw them play with other youngsters.
'I can’t say anything bad about them. They seemed like decent normal kids.
'I haven’t seen them for a while. I said "How’s your brother?" and he said, "He’s alright" but two weeks later I heard he died.;
He added: 'They are all normal. I wouldn’t have thought they would do anything like that but people can be deceptive.
'I must see the dad twice a week. He’s a minicab driver for Addison Lee I think. He’s a good man. I can’t say anything bad about him.'
Around 750 Britons are thought to have travelled to join ISIS, including teenage girls, while about 450 have returned to the UK.
Police say the returnees pose a significant threat yet only a handful have been prosecuted. Instead they are being referred to the Government’s Prevent strategy which aims to deradicalise extremists and change their thinking.
Yesterday it emerged that a suspected extremist is walking Britain’s streets despite being arrested on the Syrian border in September.
Waheed Ahmed, 21, and eight relatives, including a one-year-old, were picked up by Turkish police who feared they planned to join the Islamic State terror group.
They were all deported and Ahmed, a student whose father is a Labour councillor, is now a regular sight in Rochdale. He is one of a number of suspected extremists released without charge in Britain after being stopped at the Syrian border.