Consider the following statements:
1. Illegal arrest does not vitiate the trial.
2. A confession is not invalidated by the illegal arrest.
3. Mere keeping a person in police station or restricting his movements within the precincts of a police station amounts to arrest.
4. Arrest need not be by handcuffing a person, but could be completed by spoken words.
Select the correct answer:

A. Only 1 and 2 are correct

B. Only 1 and 4 are correct

C. Only 1, 2 and 4 are correct

D. 1, 2, 3 and 4 all are correct

Answer: Option D