The law recognises that a person might not have sufficient capacity because of their age or because of a mental disorder. The amount someone has had to drink or the drugs they have can also affect their ability to consent.
If you're off campus, you should call 999 to reach any of the emergency services.
If you're on campus, call the Security Team any time, 24/7 on x2222 (on an internal phone) or 01786 467999 if using your mobile phone to request the Police.
If you need an ambulance, dial 999 directly to speak to a call handler. Once you have done so, call the Security Team on x 2222 or 01786 467999 as before to advise them that an ambulance will be arriving.