Non-Fatal Offences Against the Person Act 1997
9.— (1) A person who, with a view to compel another to abstain from doing or to do any act which that other has a lawful right to do or to abstain from doing, wrongfully and without lawful authority—
( a) uses violence to or intimidates that other person or a member of the family F1 [ or the civil partner within the meaning of the Civil Partnership and Certain Rights and Obligations of Cohabitants Act 2010 ] of the other, or
( b) injures or damages the property of that other, or
( c) persistently follows that other about from place to place, or
( d) watches or besets the premises or other place where that other resides, works or carries on business, or happens to be, or the approach to such premises or place, or
( e) follows that other with one or more other persons in a disorderly manner in or through any public place,
shall be guilty of an offence.
(2) For the purpose of this section attending at or near the premises or place where a person resides, works, carries on business or happens to be, or the approach to such premises or place, in order merely to obtain or communicate information, shall not be deemed a watching or besetting within the meaning of subsection ( l) ( d).
(3) A person guilty of an offence under this section shall be liable—
( a) on summary conviction to a fine not exceeding £1,500 or to imprisonment for a term not exceeding 12 months or to both, or
( b) on conviction on indictment to a fine or to imprisonment for a term not exceeding 5 years or to both.