BUCKS COUNTY, Pa. (CBS) — Police made an arrest Thursday in a series of mysterious explosions that have rocked Bucks County for months. Law enforcement converged on two locations in Quakertown as part of the investigation – a chemical company on Old Bethlehem Pike and the home of the owner of that company on Spinnerstown Road. Police Investigating Another Mysterious Explosion In Bucks County After Tractor Cutting Grass Strikes Device