Yesterday Evening, Guelph Police were called to the Downtown Street Party on Carden Street after receiving reports of an assault to an attendee.
Police say the man was standing and enjoying the festivities with his family when a second unknown man approached him from behind and began yelling.
When the man tried to ignore the yelling, the unknown male struck him on the neck with an open palm and continued to yell.
The 34 year old man was arrested and charged with assault and three counts of breaching probation.
No injuries are reported in the incident.