A 27-year-old man from Bushey has been arrested in connection with an alleged assault in Radlett on August 27.
MyLocalNews reported the incident earlier this month, when the victim was knocked unconscious after arguing with another man at the Esso garage on Watling Street at around 8.45pm on Monday August 27.
The pair got into a row and a man in his 40s was punched to the floor, resulting in him being taken to the hospital for treatment.
The offender was described as white, aged in his 20s with pale brown hair and stubble. He was wearing a black T-shirt and jogging bottoms.
The Hertfordshire Constabulary is still appealing for information and witnesses – please call 101 quoting 41/31433/18 if you can help.