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Under which condition can any person make a citizen's arrest without a warrant?

  1. If they have verbal consent from a police officer

  2. If they are witnessing an indictable offence being committed

  3. If they have a personal relationship with the offender

  4. If the offence is a summary conviction

The correct answer is: If they are witnessing an indictable offence being committed

A citizen's arrest can only be made if the person making the arrest witnesses an indictable offence being committed. This means that options A, C, and D are incorrect because none of them involve witnessing an indictable offence being committed. Option A suggests that verbal consent from a police officer is required, which is not the case. Option C suggests that a personal relationship with the offender is necessary for a citizen's arrest, which is also incorrect. Option D refers to the type of offence, but this does not determine if a citizen's arrest can be made without a warrant. Therefore, the correct answer is B, as it is the only option that accurately reflects the condition required for a citizen's arrest.