Tree falls on car in Pennsylvania while the vehicle was heading down the highway along Somerset County, Pennsylvania on Monday. As a result of tree falls on car in Pennsylvania, two girls, aged six and eight, were killed. WPXI reports that the two were riding in the backseat with two other younger sisters when the rotted tree snapped and tree falls on car in Pennsylvania.

Somerset County Coroner Wallace Miller said the two girls died of blunt-force trauma to the head, while four others riding the vehicle were injured, the Associated Press reports.

According to the Daily Mail, tree falls on car in Pennsylvania as the family car was traveling along Route 403 at about 2:30 p.m. in their Pontiac Grand AM.

Authorities in Pennsylvania have identified the two sisters who died when tree falls on car in Pennsylvania as eight-year-old Ryleigh Freiwald and six-year-old Macayla Freiwald. Authorities also identified the driver of the car as 36-year-old Jason Hinebaugh. Hinebaugh careened out of control and accidentally slammed the car into a telephone pole as the tree snapped and tree falls on car in Pennsylvania.

Ryleigh and Macayla died, but their younger sisters Ciara, 5 and Lillie, 3, survived, however injured. Reports say Hinebaugh was also injured and hospitalized while Ashley Lichty, the mother of the four girls and who is also eight months pregnant, was injured.

Police said Hinebaugh, Lichty, Ciara and Lillie were immediately taken to Conemaugh Memorial Medical Center after paramedics arrived on scene.

After the tree falls on car in Pennsylvania, Lichty reportedly screamed for people to help rescue her children from the car wreckage. According to an eyewitness, after the tree falls on car in Pennsylvania, 26-year-old Lichty burst out of the passenger side of the car and started screaming, 'My babies, my babies.'

Witness Sandy Seth who lives along the street from the accident and heard the crash told WeAreCentralPA.com., 'I saw a lady get out of the passenger seat screaming, 'My babies, my babies. We heard the thump, we didn't come out right away. We watched the emergency services cut the doors off and cut the roof off and get the driver out of the car. I am glad we didn't come out when we first heard the thump otherwise we wouldn't have been able to sleep for days.'

Seth also told WTAJ, 'This was pure mother nature at its worst.'

Emergency personnel who responded to the scene of the accident were also affected by the horrific aftermath of tree falls on car in Pennsylvania, reports say.

Paramedic Adma Trabold of Conemaugh Township EMS descrived the aftermath of tree falls on car in Pennsylvania. She said, 'After I arrived on the scene, it was uncontrolled chaos,' Trabold said We were trying to get everything done. Once you get more resources, you're able to focus on one patient at a time. I tried to treat each patient as my family member.'

Manager Terry Ruparcic of EMS station also described the accident of tree falls on car in Pennsylvania as a '9 out of 10' on the scale of traumatic accidents he has seen. Trabold, also one of the responding paramedics, told The Tribune Review, 'In the 10 years I've been here, this is a 9 out of a 10 on a scale.'

Meanwhile, the paramedics were reportedly given the chance to speak with mental health counselors after witnessing the tree falls on car in Pennsylvania accident.

Chief Louis Barclay of the Conemaugh Township Police told CBS Pittsburgh that he found the tree falls on car in Pennsylvania accident to be tragic and unexpected. He said he was shocked at the freak accident stating, 'In my 23-years here I have never had anything like this. To have two young children die in the same family it must be horrendous on the parents, I can't even imagine.'

The accident of tree falls on car in Pennsylvania reportedly occurred of dry rot, said Barclay to ABC News. He said it was 'rotted at the base.'

As of the current moment, both Lichty and Hinebaugh are in intensive care. Ciara and Lillie are also being treated for less severe injuries at the same hospital their mother was taken to. Ciara and Lille were expected to be released on Tuesday after the accident of tree falls on car in Pennsylvania.

According to Barclay, Lichty has not lost her child after getting involved in tree falls on car in Pennsylvania.

A friend of the couple's told WPXI that Hinebaugh has been dating Lichty for about 18 months before tree falls on car in Pennsylvania. Hinebaugh is the father of the child Lichty is carrying.

Tree falls on car in Pennsylvania and though it was found rotten, police still aren't sure they what caused it to fall. However, CBS Pittsburgh was told by neighbors that it had been extremely rainy lately. Meteorologist Chrissy Warrilow form weather.com said, 'Rainfall in Johnstown has been higher than average. So far, since June 1, the town has received 4.67 inches of rain, which is 1.33 inches above normal. It's been a wet month.'

To donate to the family, you can visit their GoFundMe site.