BUTLER COUNTY, Pa. — One person was killed and nine others were injured in a massive 25-vehicle crash on Interstate 79 in Butler County on Friday, authorities said. The multi-vehicle collision, one of the largest in recent years in the area, caused major delays and left the community in shock as first responders worked to assist the victims and secure the scene.

According to law enforcement, the crash occurred during the morning hours under potentially hazardous conditions. Emergency crews, including firefighters, paramedics, and state police, arrived quickly to provide aid, transport the injured to nearby hospitals, and manage the significant traffic congestion caused by the pileup. The fatality was pronounced at the scene, while the nine others sustained injuries ranging from minor to serious, with some requiring immediate medical attention.
Authorities have not released the identities of those involved, pending notification of family members. Investigators are examining the causes of the crash, including weather conditions, road conditions, and potential driver error. With 25 vehicles involved, the incident required extensive coordination among multiple agencies to clear the highway and restore safe travel.
Residents and travelers were urged to avoid the area, and traffic was rerouted while investigators conducted a thorough examination of the crash site. The Pennsylvania State Police emphasized the importance of driving cautiously, especially during adverse conditions.
As the investigation continues, the community mourns the life lost in this devastating accident and hopes for the full recovery of those injured. Authorities have pledged transparency and updates as more information becomes available.