There had been a riot earlier. There was also a conspiracy. The law is rather complex. I'm not really qualified to explain it to you, but I will do my best.
First of all, a conspiracy is an agreement by two or more persons to engage in activity that is an indictable offence, and there must be acts in furtherance, in support of that. That's what constitutes a conspiracy.
Let me be very clear about a warrant. First of all, the police in Canada have the authority under the Criminal Code to make an arrest with or without a warrant. If a warrant is issued by a judicial authority, we may execute that warrant. But a police officer may also arrest on reasonable and probable grounds that an offence has been committed. Under these circumstances--