[news]

1. At least 4 killed, 3 hurt in Pennsylvania house explosion CBS News
2. Three missing, three hospitalized after house explosion rocks Pittsburgh suburb Fox News
3. One dead and several unaccounted for after house explosion in Pennsylvania Associated Press
4. Plum house explosion: 4 dead, 1 unaccounted for, 3 homes destroyed WTAE Pittsburgh
5. Home destroyed in explosion in Plum Borough CBS Pittsburgh
6. View Full Coverage on Google News

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