State Police have identified the four people from Buffalo involved in the fatal crash on the Thruway in Ontario County on Monday.
Brothers Shamel Middleton, 11, and Amir Middleton, 9, died at the scene.
Their mother, Shenaya Washington, 34, was treated at Strong Memorial Hospital in Rochester for non-life-threatening injuries, State police said.
The driver of the vehicle, Sean Ferguson, 31, is in critical condition at Strong, police said.
The crash happened in the Town of Manchester at about 5:25 a.m. Police found a vehicle overturned in the right lane of the Thruway heading west.
The vehicle overturned several times. The boys sitting in the back seat and were ejected from vehicle. The State Police said they believe they were not wearing seatbelts.
Both boys attended Buffalo United Charter School. Principal Tammy Messmer released a statement Tuesday.
"The entire Buffalo United Charter School community is saddened by the loss of the loss of our two scholars, Amir and Shamel Middleton. Our thoughts and prayers are with their family and friends as they deal with this difficult loss. As a school community, we will continue to share our memories and remember fondly both young scholars. Grief counselors will be on hand for all students and staff in the coming days," the statement read.
Investigators have found no indication of alcohol or drug use. The crash remains under investigation.
State police located a second driver who they said may have struck one of the children. No charges are planned against that driver, officials said. Anyone with any information about the crash is asked to call the State Police at 585-398-4100.