Around 100 dairy farmers have gathered outside the Co-op distribution centre in Somercotes, Derbyshire.
They're angry about the price they're paid for their milk.
Derbyshire Police investigating the murder of a woman in Somercotes have released the name of the victim.
Jade Riley Ward, of Burke Drive, Somercotes, was found dead just before 4pm on Saturday 22nd September.
A post mortem examination revealed that she died from multiple stab wounds.
Detective Inspector Karen Pearson, from the East Midlands Special Operations Unit, said "We would still like to speak to a potential witness who may have had contact with the victim on the day of the incident in relation to the purchase of a puppy.
I would urge this person to come forward as they may hold information that is significant to the investigation."
A 22-year-old man has been arrested in connection with her murder and is being held by police.
A 22-year-old man has been arrested after the discovery of a woman's body at a house in Somercotes, Derbyshire.
Police were called to the property on Burke Drive at around 4pm yesterday (22 September), where the body of a 30-year-old woman, who has not yet been formally identified, was found.