What happens if you get caught sneaking into a concert?

If a person is caught sneaking into a concert in which he or she is univited and in a way that he or she didn't bought any tickets, it is likely that he or she will be kicked out of the concert by those who are in charged of making the concert safe and secure. It is also likely that the person who may cause trouble to pay a certain amount or consequences if he or she has done something that is not appropriate or had cause misunderstanding.