6 people, including 4 children, killed in Pennsylvania fire From AnneClaire Stapleton, CNN May 13, 2013 -- Updated 1011 GMT (1811 HKT) (CNN) -- Six people, including four children, were killed in a house fire late Sunday night in Pottsville, Pennsylvania, Schuylkill Haven borough police said. Investigators aren't sure of the ages or relations between the deceased. The Pottsville fire marshal and coroner's office are investing. The cause of the fire is unknown. CNN's Jake Carpenter contributed to this report.