A man was caught punching a dog in the fence before throwing it at a fence.
The shocking incident was caught on CCTV and shows a blue hoody wearing thug grab the black dog by the throat.
He picks the hound up, punches it and then launches it against the wall of Buffalo Bar in Bournemouth.
He was then spotted dragging the dog along a nearby road at 6.55pm on April 14, Devon Live reported.
Dorset Police are now trying to hunt the pet owner down.
Pc Emily Watkins said: “The footage of this incident is very disturbing and we have made attempts to identify this man, however these have so far been unsuccessful.
“I am now issuing an image of the suspect in the hope that someone may recognise him.
"I would ask anyone who knows who he is to please contact Dorset Police so we can investigate this incident with colleagues at the RSPCA.”
Anyone with information is asked to contact Dorset Police at www.dorset.police.uk, via email 101@dorset.pnn.police.uk or by calling 101, quoting occurrence number 55190056299.
