Cause of April explosion at APS facility unknown, according to report

A report on last April's explosion at an APS plant in Surprise is in. The explosion sent four Peoria firefighters to the hospital. However, the report doesn't pinpoint a cause for the blast. The cause of the explosion is still being investigated, according to APS.
Published: 6:14 PM MST August 6, 2019
Updated: 6:13 PM MST August 6, 2019