Trains on the Joondalup and Mandurah lines are running again but not to the regular schedule.
The delay is being caused this morning due to a medical emergency.
Transperth declined to release further information surrounding the emergency but reported though running delayed trains may not connect with other timetabled services.
Transperth is warning commuters to expect delays on the Joondalup and Mandurah lines this morning.
The delay is stated to be due to a medical emergency on board a service.
Trains on the Joondalup and Mandurah lines are currently experiencing delays due to medical emergency. Thanks for your patience. https://t.co/v914ReVVn9
— Transperth (@Transperth) July 23, 2018
More to come.