Thames Valley Police is appealing for witnesses following an assault in High Wycombe.
At around 7.15pm on Friday (1/2), two men and two women with a 10-month-old baby were walking past Admiral Casino, Oxford Street when a group of four men threw snowballs at them.
One of the snowballs hit the baby on the cheek causing it to redden and swell.
Subsequently, there was an argument between the two groups over the throwing of the snowballs. The offenders then spat at the victims.
The offenders are all described as Asian men.
One of the offenders was of a chubby build with short, dark hair. He wearing dark trousers, a green hooded-top with white stripes down the side and white shoes.
The other offenders were described as wearing tracksuits with dark jackets.
Investigating officer PC Dominic Crayden, of the Investigation Hub based at High Wycombe police station, said: “This was an unprovoked attack and we would urge anyone with information to please come forward.
“If anyone has any information which could assist with the investigation, please call the non-emergency line 101, quoting reference ‘43190034303’ or make a report online.
“Alternatively, you can contact Crimestoppers anonymously on 0800 555 111.”