Offences include thefts, assaults and robberies – in one incident a barworker was attacked by two men and left with facial injuries.
In another case a man was robbed of a gold chain around the back of a bar.
Anyone who can help officers with their enquiries should call police on 101 or CrimeStoppers on 0800 555 111.
9. Robbery
Officers are tracing a key witness who intervened in a robbery at a bus stop in Chesterfield when a man was attacked by two other men at the B5/B6 bus stop in New Beetwell Street at 1.53am on January 1. They repeatedly hit the victim before taking off with his coat and sleeping bag. A member of public who was wearing all black and carrying a food carton reportedly stepped in to interrupt the robbery. One of the robbers is described as a white man, aged in his 20s or 30s, of slim build, about 5ft 7ins tall and wearing an orange jacket with black trousers. The other robber was a white man, aged in his 20s or 30s, of slim build, under 5ft 7ins tall and was wearing a black jacket with white trousers. The pair had a dog with them – possibly a pug – at the time of the attack. Police would like the person who intervened in the robbery to come forward and speak to officers as they could hold vital information that would help with our investigation. A CCTV image of the passer-by (above) has now been released. Photo: Derbyshire Constabulary
10. Breach of licence
Police are appealing for help to trace Ali Bakhtear about a breach of licence. He has links to Derby city centre, Chaddesden and Normanton. Anyone who has seen the 45-year-old or has any information on his whereabouts, is asked not to approach him but to contact us, using any of the below methods. Photo: Derbyshire Constabulary
11. Group of girls assaulted
Police want to speak to the man pictured here after a man was allegedly involved in a number of altercations after visiting Norfolk Pizza in Norfolk Street, Glossop, at about 3.15am on November 17. He reportedly assaulted a group of girls and also attacked two men who had stepped in to break up the fight. The man reportedly then got into a silver car and left the scene. He has been described as white, about 6ft tall with big curly hair and wearing a grey jumper. Since the incident officers have been following a number of lines of investigation and have now released CCTV images of a man we would like to speak to in relation to the incident. Officers would also like to hear from the group of girls who were attacked. Photo: Derbyshire Constabulary
12. Car parts stolen
Officers have released CCTV to trace two men after a number of car parts were stolen in Heanor. Two men walked into the garden of a property in High Street, Heanor, and stole a car spring and two car radiators at 7.30am on December 16. Photo: Derbyshire Constabulary