The father of the children, 1 and 4, arrived at his home around 5:25 p.m. to find the kids inside suffering from stab wounds in the 1900 block of Matson Lane, according to Lisle police. He told police that a person known to him was in the house armed with a knife.
Responding officers rushed to the home and arrested a female whose age was unknown.
The relationship between the father and the suspected attacker was not specified.
No further information was provided.