Section 28: Every person who--

(1) wilfully prevents, obstructs, or hinders any constable, duly authorised in that behalf, from, or in, entering any house, room, place or premises suspected of being used as a common gaming-house; or (2) uses any means or contrivance whatsoever for the purpose of preventing, obstructing or delaying the entry of any such constable into such house, room, place or premises; shall, on being convicted thereof, be liable to a fine, not exceeding ten pounds, or to imprisonment, with or without hard labour, for a term not exceeding three months. 29. {1) Any person, except acting in obedience to proper authority, who shall fire any cannon, gun or other firearm, or throw any squib, rocket, or firework, or throw any stone or other missile to the injury, danger or annoyance of any person, or to the danger of his property, shall be liable, on conviction thereof, to a fine, not exceeding forty shillings. (2) Any person who shall be convicted of- (a) throwing any stone or other missile to the injury, danger or annoyance of any person, or to the danger of his property, and who shall have previously been convicted of a similar offence; or Obstruction of police entering gaming house. Throwing of missiles. 280 Cap. 37] Summary Conviction Offences (b) throwing any stone at any vehicle in motion; or (c) throwing any stone or other missile at occupied premises; :: (~o;=w~o~n~:~;"p~hli~h::=~e :rt ~~~ PJ~=z~~ Iwhatsoever while engaged in the execution of his duty, or at any person assisting a police officer or constable in the execution of his duty; or (e) throwing any stone or other missile at any person who shall, in consequence, receive any wound or injury; shall be liable to a fine, not exceeding sixty shillings, or to imprisonment for any period not exceeding one month.