But those being used against one Labour candidate appear to be particularly unpleasant.

Rosemary Duff, a county council hopeful standing in Lakenham, has reported a series of incidents to police, including faeces being smeared across her car bonnet, anonymous letters sent to her home and a neighbour's Labour banner being defaced.

Lakenham candidate Rosemary Duff (Image: Supplied)

Large amounts of faeces were smeared across her bonnet (Image: Supplied)

Ms Duff said the campaign against her began in mid-March when an anonymous handwritten letter was pushed through her door. 

Titled "Animals being slaughtered/Babies being slaughtered", it accused the Labour government of making "strict" animal welfare reforms while allowing halal and kosher practices to continue.

It then made a false claim that Labour had "made abortion legal right up until the point of birth", adding that "mothers are now allowed to kill 9 month old beings by law without any prosecutions".

This appears to be a distortion of legislation passed in March which removed criminal penalties for women who terminate their own pregnancy outside the existing 24-week legal framework.

The author warned: "If members of my community have the misfortune........

© Norwich Evening News