CRIMINAL CODE [CAP. 9. 73 from a prison or from one prison to another or while he is under treatment or observation in any hospital. 152. Any prisoner who shall be guilty of escape from any place of confinement or of punishment, or from a hospital where he is under treatment or observation, or from the custody of the person or persons charged with his custody, shall, when the escape has been effected by violence on the person, or with breaching the places mentioned, be liable, on conviction, to imprisonment for a term from two years to four years saving any other punishment to which he may be subject under any other provision of this Code or any other law. Prison breaking. Substituted by: VII. 1999.6. In this article ''prisoner'' has the same meaning assigned to it in article 151. 153. Where the escape of any person under arrest or sentence is effected in consequence of the negligence or imprudence of the person charged with his custody, care or conveyance, the person so charged shall, on conviction, be liable (a) if the party escaping is accused of, or sentenced for any crime liable to a punishment not exceeding two years’ imprisonment, or if he is in lawful custody for any cause other than a crime, to imprisonment for a term from one to three months; (b) if the party escaping is accused of, or sentenced for any crime liable to a punishment exceeding two years but not exceeding five years’ imprisonment, to imprisonment for a term from four to six months; (c) if the party escaping is accused of, or sentenced for any crime liable to a punishment exceeding five years’ imprisonment, to imprisonment for a term from seven months to one year. Negligence or imprudence of person charged with the custody, etc., of person escaping. Amended by: XXI.1971.15; XLIX. 1981.4. 154. Where the escape of any person under arrest or sentence is effected with the connivance of or by bribing the person charged with his custody, care, or conveyance, the person so charged shall, in the cases referred to in paragraphs (a), (b) and (c) of the last preceding article, be liable, on conviction, to imprisonment for the term as respectively fixed in the said paragraphs, increased by one degree and to the punishment of perpetual general interdiction. Connivance, etc., of person charged with the custody, etc., of person escaping. Amended by: XXI.1971.16; XLIX. 1981.4, 155. The punishment laid down in the last two preceding articles shall be increased by one degree, where the escape is effected by any of the means mentioned in article 152, or by conveying into the place of confinement or of punishment any instrument or weapon to facilitate the escape. Aggravating circumstances. 156. Whosoever, not being charged with the custody, care, or conveyance of any person under arrest or sentence, shall facilitate or be an accomplice in the escape of such person, shall, on conviction, be liable to the punishment established for the person so charged and conniving, decreased by one degree: Aiding and abetting on the part of person not charged with the custody, etc., of person escaping. Amended by: IX. 1982.2. Provided that in the cases referred to in the last preceding