Police were called to the Regent Street area of Weston-super-Mare in the early hours of Saturday morning to reports of a large fight involving a number of people. During this incident, a man was bitten by a police dog as he was being arrested.
We are aware of a YouTube clip and comments on social media channels about this incident. The incident has been referred to our professional standards department for thorough investigation as we are keen to understand what happened. The YouTube clip is only a few seconds long and doesn't show events before or after the arrest.
More top news
One man in Yeovil has amassed Britain's biggest collection of Star Wars memorabilia. Click for a special tour of this remarkable room.
At least 1,300 people have been affected by the collapse of a Bristol firm which was working on a high-profile green initiative.
Two men who had a significant impact on the profile of black people have been honoured in a ceremony to mark Black History Month. Read more: