❓ Question seeks detailed explanation regarding disruption to train services caused by lightning strikes, including location, technical impact, remedies, policies, and future mitigation strategies.

I refer to the disruption of Mandurah, Thornlie Cockburn, and Yanchep line train services during peak hour on the morning of Thursday 26 February 2026, and I ask:(a) noting the statement that "lightning strikes affected the train network's signalling", can a more detailed explanation be provided in relation to:(i) areas of lightning activity;(ii) how the train network signalling was "affected" / impacted, technically; and(iii) remedies taken to address the issue;(b) what policy or procedure guides determination of line closures due to lightning activity; and(c) are any future mitigation strategies being considered?