Two children were hurt in a crash on I-80/94 around 4 am Monday.
Indiana State Police say a car driven by Larry Haynes Jr., 36, crossed the lanes and hit a median wall head-on.
Two kids younger than 10 were in the backseat, unrestrained.
One of the children suffered life-threatening injuries. Both are currently in the hospital.
Haynes is also in the hospital, and a blood alcohol test was given to Haynes.
The results have not yet been returned. Police believe alcohol and/or drugs are a factor.