A van carrying 13 people traveling from Norristown, Pa. to Niagara Falls on a family vacation crashed Saturday in Steuben County, killing a young boy and a pregnant woman and injuring 11 others, New York State Police said.

The woman's baby was delivered at a nearby hospital after the incident, officials said, but later died.

Wayland-based State Police said the crash occurred at approximately 9:20 a.m. on the northbound lane of the I-390 in the Town of Wayland.

Troopers said a rear tire on a 2005 Ford E-350 failed, causing the driver, 41-year-old Adrian Andrade-Delores of Norristown, to lose control of the van.

ADVERTISEMENT Advertisement

New York State Police crash Investigators said the vehicle exited the west shoulder of the roadway, entered the median and then rolled multiple times.

Region: Fall weather: What temperatures, precipitation experts say we can expect in NY

12-year-old pronounced dead; mother dies, baby delivered

State Police said Alex Andrade, 12, was pronounced dead at the scene by the Steuben County Coroner’s Office.

According to officials, nine of the injured were taken to Nicholas H. Noyes Memorial Hospital in Dansville. One of those victims – Margarita Ramirez-Luna, 40 – succumbed to her injuries, however her baby was successfully delivered by hospital staff.

The infant was transported to Strong Memorial Hospital in Rochester in critical condition and later died, troopers said Monday.

Among the injured, one person was taken by ambulance to St. James Hospital in Hornell, while two others were airlifted to Strong Memorial, police said.

The survivors in the van range in age from 1 to 43, and include a pair of 8-year-old boys and a 16-year-old girl.

More: Uncle Jack's Market is making a comeback in Hornell. What to know about new owners

Multiple agencies respond to Wayland crash scene

Officials detailed an extensive emergency response by multiple agencies to the crash, including the New York state Department of Transportation, Bath Ambulance, Bath VA Ambulance, the Hornell Fire Department, Springway Ambulance, Cohocton Valley Ambulance, Springwater Ambulance, AMR, the Wayland Fire Department, the Perkinsville Fire Department, Life Net 77, Mercy Flight and the Steuben County Sheriff’s Office.

New York State Police assets that responded included the Bureau of Criminal Investigation, the Collision Reconstruction Unit, the Commercial Vehicle Enforcement Unit and the Violent Crime Investigative Team.

State Police said the crash investigation is ongoing.

Follow Neal Simon on Twitter @HornellTribNeal. To get unlimited access to the latest news, please subscribe or activate your digital account today.

This article originally appeared on The Evening Tribune: Three dead after van with 13 occupants crashes in Steuben County