From the Independent news article:

As of Saturday morning, the trust described the entire IT system as “down” and put out an emergency phone number for staff to use over the bank holiday weekend.

Dr Jane Burns, medical director for NHS Lanarkshire’s acute division, asked patients not to attend hospitals “unless it is essential”.

Read more at the link:
http://www.independent.co.uk/news/uk/home-news/cyber-attacks-uk-nhs-lanarkshire-scotland-hospitals-affected-patients-operations-ransomware-wannacry-a7913896.html