Daniel Thomas denied causing criminal damage after being filmed appearing to slash a migrant boat in the English Channel while an emergency responder was aboard.
Demonstrators gathered outside a police station in southern England following the arrest of far-right activist Daniel Thomas.
Daniel Thomas, 37, faces a criminal damage charge and an additional charge for allegedly refusing to disclose his phone pin to police.
The 37-year-old was arrested on suspicion of criminal damage with intent to endanger life and endangering the safety of a ship.
Hampshire police detained the 37-year-old on suspicion of criminal damage with intent to endanger life after he filmed himself cutting a migrant dinghy's side while a rescuer was aboard.