Mandurah and Joondalup train lines are experiencing delays after a commuter collapsed on board.
A Transperth spokesman said the line has recommenced but is delayed after a person collapsed when a train was in the Perth underground, about 7.45am.
The person had been taken to hospital and it is understood the injuries were not life threatening.
Trains on the Joondalup & Mandurah Line are currently experiencing delays due to a medical emergency. Thanks for your patience.— Transperth (@Transperth) October 8, 2018
If you require assistance regarding service disruptions or planning your journey, please call the Transperth InfoLine on 13 62 13.
Hearing or speech impaired people can call via NRS 133 677 and ask for 13 62 13.