There has been a spate of bike thefts on campus, 7 in the last week (correct 12/1/15) – many of which involved cable locks being snipped.  Please do check out the University’s crime reduction page, where subsidised heavy-duty d-locks are available, as well as times & places for getting your frame security-marked:

http://www.estates.manchester.ac.uk/services/security/estates-sevices-ian-ourservices/crimereduce/

Crime Reduction at UoM’s facebook page:

https://www.facebook.com/CrimeReductionAtTheUniversityOfManchester/timeline