Five dead, hundreds evacuated after Illinois semi-truck crash causes ammonia leak

A semi-truck carrying ammonia overturned on a highway in Illinois, causing multiple fatalities.
The ammonia leak prompted an evacuation order for residents within a one-mile radius.
Five people were confirmed dead, and five others seriously injured in the accident.
Emergency crews worked to contain the ammonia leak but evacuation orders remained in place.
The National Transportation Safety Board launched an investigation into the crash.