The incident occurred at the Trent Barton bus depot in Langley Mill at around 7.35pm on June 6 – and involved a motorist making threats towards a bus driver.
The pictured man was seen in the area at the time of the incident and officers are keen to speak to anyone who may recognise him.
Anyone with information is asked to contact Derbyshire Police using one of the below methods, quoting reference number 22*259558:
Facebook – send a private message to /DerbyshireConstabulary
Twitter – direct message the force’s contact centre on @DerPolContact
Website – complete the online contact form
Phone – call 101
You can also anonymously contact Crimestoppers on 0800 555 111.