❓ Question regarding a partial train derailment near Bayswater Station in November 2025, seeking details on the cause, response, and the role of the Public Transport Operations Control Centre.

I refer to the partial train derailment which occurred near Bayswater Station on 17 November 2025, causing the shutdown of the Midland, Perth Airport, and Ellenbrook lines and impacting the Fremantle line, causing significant delays during peak hour travel, and I ask:(a) what was the cause of the incident;(b) how did the Public Transport Authority respond;(c) how many simultaneous replacement buses were carrying passengers at the peak of the response;(d) what specific PTA policies, guidelines or procedure documents guided this incident response; and(e) what was the role of the new Public Transport Operations Control Centre in the response?