Four New Jersey Children Killed in House Fire

Fire department responded to report hours earlier but could find nothing.

''I asked for God to put them in a good place and make sure He didn't make any mistakes,'' she said.

The Bergen County prosecutor's arson investigation unit was at the home Tuesday, but authorities said they had not determined what started the fire. Bauer said investigators determined there was a problem with the home's furnace, but said that was ruled out as the fire's cause.