Volunteer firefighters responding to a blaze Tuesday morning at 347 Great Falls Road in Rock Island received troubling news there may be children trapped inside the home.Firefighters pushed back the flames and conducted an initial sweep of the home and did not find anyone inside. After they were able to further subdue the flames, they reentered a second time just to make sure."We had heard there was a home school child who might be in there with a sibling," said Rock Island Fire Chief Jeff Matheney. "But no one was inside.