If your Issue is:
One of my parents has just been diagnosed with cancer or another serious illness

Answer:
Your Academic Support Tutor is available to talk to you or you can visit  Student Support Services for help. You may be able to apply for an extension or deferral due to exceptional circumstances if your work has suffered as a direct result of a family issue. Please speak to Student Support Services staff who will explain the process and provide advice.

The RAU Academic Regulations are available from the RAU website:
https://www.rau.ac.uk/about/organisation/public-information/academic-information/academic-policies-and-procedures

You can also see:
https://www.macmillan.org.uk/information-and-support/audience/someone-i-know-has-cancer.html