Overview
- The blackout in Treptow-Köpenick is described as large-scale and hours-long.
- dpa reports the cause as an arson attack targeting power masts and cables.
- The district named 12 schools where no classes will take place on Wednesday.
- Officials expect teaching to restart at the listed campuses on Thursday.
- The closures and timeline were announced by the Bezirksamt Treptow-Köpenick and relayed by dpa.