The security guard, in his fifties, is said to be in a 'serious' condition in hospital.

A former student, 21, from Saudi Arabia, has been arrested and is in police custody.

A man in his 50s was reportedly shot with a crossbow at the University of Surrey - a former student has been arrested on suspicion of attempted murder

A 21-year-old former university student was arrested on suspicion of attempted murder

Ex-student questioned by police after incident at University of Surrey