A cafe owner attacked a man he suspected of having a relationship with his former partner in front of his children after it became "too much for him to bear".
Jason Millan, 51, had split from his ex-wife but after seeing her and another man pushing their children in a push chair he leapt out of his car and attacked the victim.
Norwich Crown Court heard Millan, who owns Cafe 502 on the Sprowston Park and Ride site, pulled up in his Mercedes' car as the four of them were near the York pub in Leicester Street.
The victim fell over in the tussle during which Millan had been "trying to bite the ear" of the victim.
Mr Gair said the victim "felt a sharp pain" in his shoulder during the incident and was later found to have broken his collarbone.
Millan left the scene before returning and "continuing to be aggressive".
Millan later sent messages to both his ex-partner and the victim following the incident on April 14 this year.
Millan was arrested the following day and made full admissions.
Mr Gair said it was an aggravating feature that the incident happened "in front of young children" who were "clearly distressed".
Millan, formerly of Cowgate, Norwich, appeared at court on Thursday (October 12) having previously admitted inflicting grievous bodily harm.
Imposing a 26-week jail sentence, recorder Nicola Fitches said the offences were committed "in the presence of children".
Michael Clare, mitigating, said this incident happened on the "spur of the moment" and should be distinguished from "planned violence".
He said that Millan having seen his former partner and the victim "pushing his children in a pushchair" was "too much for him to bear".
Mr Clare said Millan "expressed regret and made immediate admissions".
The barrister said Millan was "horrified" the children saw what happened and accepted he had "let himself down" and that the relationship was over.
Millan was also made the subject of a restraining order prohibiting him from contacting the victim directly or indirectly for the next two years.
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