Nigerian teen arrested for imprisonment of his professor in the US

A man was arrested after the police in that united state after he imprisoned a santa few professor against her will Chiedu ,a Nigerian student went in the office of the prof.without being invited,closed the door and block the way the police said
    He said the prof.could not leave the office until she allowed him to make up for an exam .When the prof told him he could not make up for an exam,he grapped her arm  as she tried to walked away .