The Allegheny County Bomb Squad has been called to a home at 15 Cross Street in Crafton.
NewsRadio 1020 KDKA's Maria Leaf reports authorities showed up at the house to serve a search warrant involving a juvenile. The 17-year-old is a student at Carlynton Junior-Senior High School. Friends said he didn't seem troubled.
Officials found items that could possibly be incendiary in a backyard shed.. Neighborhing homes were evacuated as a precaution.
The bomb squad commander did not release a complete list of what was found.
