The driver in a Chattanooga school bus crash last week that killed six children will likely plead not guilty to related charges, according to his lawyer.

Students and administrators raised concerns about a Tennessee school bus driver's behavior behind the wheel in the weeks before a crash that killed six children.

A school bus driver was behind bars Tuesday after a crash killed five youngsters and plunged Chattanooga into mourning over what the mayor called the "most unnatural thing in the world" — a parent losing a child.