Junior Doctors are taking part in industrial action until 7am on Tuesday.
It’s the fifth time they have gone on strike in a row over pay this yar.
Coupled with a consultants’ strike last month, hospital bosses say this has resulted in 10,051 appointments, procedures, and operations being rescheduled.
People who do have an appointment are being asked continue to attend, unless they have been told not to.
Patients whose appointments have been rescheduled will be contacted directly.