By . MailOnline Reporter . A 15-year-old learner driver accidentally ran over and killed his toddler brother in the family driveway on Saturday. Alex Marivilla, two, died after being hit outside the Jolie, Illinois, home about 3pm. The teen driver, whose parents had asked him to move the GMC Yukon SUV, didn't realize his brother followed him outside. Scroll down for video . Scene: A 15-year-old learner driver accidentally ran over and killed his toddler brother in the driveway of the family home (pictured) in Joliet, Illinois on Saturday. He was driving a GMC Yukon SUV (pictured in driveway) 'It's all around a very tragic, very upsetting situation,' Joliet Police Lt. Stephen Breen told Chicago Tribune. 'The toddler had come out of the house . unbeknownst to the driver and it appears he may have been trying to get . in the passenger side of the SUV. He (the driver) didn't . know he was there.' Breen said the teen moved the car and heard a thump. When he stopped the car, he found his brother on the ground. The shocked teenager carried Alex into the family's Providence Way home where their parents called 911. Patch reported Alex was pronounced dead at Presence St. Joseph Medical Center. An autopsy was expected to be completed on Monday, according to the coroner's office. Breen said police are conducting a death investigation. Scene: Alex was pronounced dead at Presence St. Joseph Medical Center in Illinois (pictured) on Saturday afternoon .
The teen backed over toddler Alex Marivilla outside their Joliet, Illinois, home on Sunday .
The learner driver didn't realize Alex followed him to the driveway .
The teen's parents asked him to move the SUV .
Police said it was a tragic accident .
By . MailOnline Reporter . A 15-year-old learner driver accidentally ran over and killed his toddler brother in the family driveway on Saturday. Alex Marivilla, two, died after being hit outside the Jolie, Illinois, home about 3pm. The teen driver, whose parents had asked him to move the GMC Yukon SUV, didn't realize his brother followed him outside. Scroll down for video . Scene: A 15-year-old learner driver accidentally ran over and killed his toddler brother in the driveway of the family home (pictured) in Joliet, Illinois on Saturday. He was driving a GMC Yukon SUV (pictured in driveway) 'It's all around a very tragic, very upsetting situation,' Joliet Police Lt. Stephen Breen told Chicago Tribune. 'The toddler had come out of the house . unbeknownst to the driver and it appears he may have been trying to get . in the passenger side of the SUV. He (the driver) didn't . know he was there.' Breen said the teen moved the car and heard a thump. When he stopped the car, he found his brother on the ground. The shocked teenager carried Alex into the family's Providence Way home where their parents called 911. Patch reported Alex was pronounced dead at Presence St. Joseph Medical Center. An autopsy was expected to be completed on Monday, according to the coroner's office. Breen said police are conducting a death investigation. Scene: Alex was pronounced dead at Presence St. Joseph Medical Center in Illinois (pictured) on Saturday afternoon .
The teen driver, whose parents had asked him to move the GMC Yukon SUV, didn't realize his brother followed him outside. Scroll down for brother in the driveway of the family home (pictured) in Joliet, Illinois on Saturday. He was driving a GMC Yukon SUV (pictured in