Mother and 6 children killed in explosion and fire at central Pennsylvania home

Authorities say a mother and six children ranging in age from 3 to 11 were killed in an explosion and fire at a central Pennsylvania home

​Authorities say a mother and six children ranging in age from 3 to 11 were killed in an explosion and fire at a central Pennsylvania home  US Authorities say a mother and six children ranging in age from 3 to 11 were killed in an explosion and fire at a central Pennsylvania home