Family of parents whose four children died in horrific fire speak out after ...

The grandmother of four children killed in a 2017 arson has sent a heartfelt message to the parents of four youngsters killed in a house fire earlier this week - as family insist they did nothing wrong. 

Natalie Unitt, 24, and her partner Chris Moulton, 28, were arrested on suspicious of gross negligence manslaughter yesterday. 

Both leapt from the first-floor window with their youngest child, Jack, two, after the an inferno broke out at their home in Stafford on Tuesday.

The couple's sons, Olly, three, and Keegan, six, died alongside their daughter Tilly, four, and Miss Unitt's eldest child, Riley, eight, who was from an earlier relationship. 

Parents Natalie Unitt and Chris Moulton sit behind children killed in fire (left to right) Tilly, who was four, Keegan, who was six, Olly, who was three, and Riley, who was eight. The picture is from 2016 before they had baby Jack, now two, who survived the blaze with his parents

Parents Natalie Unitt and Chris Moulton sit behind children killed in fire (left to right) Tilly, who was four, Keegan, who was six, Olly, who was three, and Riley, who was eight. The picture is from 2016 before they had baby Jack, now two, who survived the blaze with his parents

Last night, Sandra Lever, 57, who lost grandchildren Demi, 15, Brandon, eight, Lacie, seven, and three-year-old Lia when their family home was petrol bombed, sent a message to the heartbroken family of Ms Unitt and Mr Moulton

Last night, Sandra Lever, 57, who lost grandchildren Demi, 15, Brandon, eight, Lacie, seven, and three-year-old Lia when their family home was petrol bombed, sent a message to the heartbroken family of Ms Unitt and Mr Moulton

Brandon Pearson (left) and Lacie Pearson (centre) who died in a house fire in Walkden, Greater Manchester, on December 11, 2017, pictured with Lia (right), who later died in hospital

Brandon Pearson (left) and Lacie Pearson (centre) who died in a house fire in Walkden, Greater Manchester, on December 11, 2017, pictured with Lia (right), who later died in hospital

Michelle Pearson is seen in her recent message to the vigil;

Mrs Pearson in an undated photo

Their mother Michelle Pearson (seen on the left in a recent message; and right, in an undated family photo) was put into an induced coma after the attack on December 11 last year, which killed Demi, 15, Brandon, eight, and his sisters, Lacie, seven, and Lia, three

Demi was found on a bunk bed, hands stretched out to the open window, following the devastating fire at her home in Salford, Greater Manchester in 2017

Demi was found on a bunk bed, hands stretched out to the open window, following the devastating fire at her home in Salford, Greater Manchester in 2017

Last night, it emerged Sandra Lever, 57, who lost grandchildren Demi, 15, Brandon, eight, Lacie, seven, and three-year-old Lia when their family home was petrol bombed, had sent a message to the heartbroken family of Ms Unitt and Mr Moulton. 

She told Mirror Online: 'The Pearson family sends all our love and sympathy at this heartbreaking time. Four more beautiful angels have gained their wings.'

Their mother Michelle Pearson was placed in a coma after suffering 75 per cent burns to her body after trying to save her children in December, 2017.

Speaking to a vigil in December marking a year since her children's deaths, she thanked the emergency services and her neighbours, who have provided donations to help the family get back on their feet. 

Left to right: Keegan Unitt, six, Tilly Rose Unit, four, Olly Unitt, three, and Riley Holt, died in the blaze in Stafford in the early hours of yesterday morning

Left to right: Keegan Unitt, six, Tilly Rose Unit, four, Olly Unitt, three, and Riley Holt, died in the blaze in Stafford in the early hours of yesterday morning

The children's mother has been named locally as mother-of-five Natalie Unitt

Ms Unitt and her partner Chris Moulton (pictured together) are being treated in hospital with one child

The children's mother is Natalie Unitt. She and her partner Chris Moulton (right) were treated in hospital after escaping the fire by jumping out of a window

Police continue to question Ms Unitt and Mr Moulton today on suspicion of manslaughter by gross negligence - but family insist they have done nothing wrong.

One family member, who asked to remain anonymous, told the Sun Online: 'They're grieving for the kids they've lost, they're just out of hospital and now banged up in a cell. We don't understand why.

'Their baby got pulled out alive and now he's traumatised. His three brothers and sister have gone and he just wants to be comforted by his mum and dad.'    

Mr Moulton is understood to have received treatment for burns and Ms Unitt for smoke inhalation. 

It remains unclear what caused the fire but early suggestions have pointed to a 'gas explosion', which could have been sparked by a faulty boiler. 

Firefighters, police and ambulance crews scrambled to the house in Stafford at around 2.40am, on Tuesday. 

Witnesses reportedly heard mum-of-five Natalie screaming: 'My babies, my babies!' as the

read more from dailymail.....

PREV Second home explosion that's fuelling the Tenerife anti-tourist revolt: BETH ... trends now
NEXT Second home explosion that's fuelling the Tenerife anti-tourist revolt: BETH ... trends now