A dad has been left “traumatised” after being brutally attacked by a “Great Dane” at playing fields in Chigwell.

Nirmal “Nim” Kalsi, 57, from Woodford Green, went for a jog after taking his 10-year-old son Enrique to football practice at the Metropolitan Police Sports Club, High Road, Chigwell.

He was set upon by the large, brown-coloured, dog as he was running and broke his right arm after he was tackled to the ground by the hound.

Marketing sales director Nim spent a week in hospital following the incident, on Saturday, November 28, recovering from emergency surgery to repair damaged nerves and install a metal plate.

“I have a martial arts background but this has traumatised me,” he said.

“I can’t explain it – I’m a different guy. I’ve moved into a dark world and it’s something I have never experienced before. It’s had such a bad effect on my son too – he’s distraught.”

The victim said he thought the dog, which was off its leash, was “playing around” at first, before it opened its jaw and went for his arm.

Nim said: “Everything on my right side was numb after I fell, my arm just fell off, my jacket sleeve was holding the bone up – my arm just snapped in half.”

The father fears the dog’s next victim could be a child.

“It’s shocking and irresponsible – there were other children in the park – and for the dog owner to walk away from me too is just horrendous.

“That dog is still out there and the next target could be a child – I’m just glad it was me and not a child this time.”

Police have launched an appeal for information since the attack.

The dog owner is described as a white woman in her 50s and was wearing boots and a wax jacket.

No arrests have been made and inquiries continue.

Anyone with information can call police on 101.