the act of committing an indictable offence;(b) anyone whom he has reasonable grounds for suspecting to be committing an indictable offence.[(a) is obviously out, as the war was in the past, and for the same reason so is (b)](2) Where an indictable offence has been committed, a person other than a constable may arrest without a warrant???(a) anyone who is guilty of the offence;(b) anyone whom he