Officers have released a CCTV photo of a man who might be able to help with their enquiries into a racially aggravated public order offence in Hemel Hempstead.
The incident occurred at 1.25pm on Monday, December 30, at Cupid Green Service Station on Redbourn Road.
It is believed that the man pictured may have been in the area around the time of the offence and he could have information about what happened.
You can report information online at herts.police.uk/report, speak to an operator in our Force Communications Room via online web chat at herts.police.uk/contact or call our non-emergency number 101 quoting reference 41/116608/19.
Alternatively, you can call Crimestoppers anonymously on 0800 555 111 or report information online at crimestoppers-uk.org
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