A person who, in any public place—
(a) is drunk and behaves in a riotous or disorderly manner;
(b) is drunk while in charge in any public way of any motor vehicle, carriage, cart, or other vehicle whatsoever, or of any horse, cattle, or other animal requiring control; or
(c) is drunk when in possession of a loaded firearm,
commits an offence and is liable on summary conviction to a fine of $1,000.