A man who suffered a terrifying dog attack in Nonsuch Park says he is still faces at least one incident a week with dangerous dogs in the park.

David Preston, 50, lives on the outskirts of the park and has jogged through it every day for years.

In 2005, on New Years Eve he was attacked by a pyrenean mountain dog that was not on a lead.

He said: “It was a huge dog. I was left with huge teeth marks and a great big graze on my side.

“I asked for help but the owners just walked off.

“The Sutton Guardian helped me track the owners and I contacted the police. But the CPS dropped the case because they said there were no witnesses.”

Mr Preston said he now faces an incident with a dog in the park on at least a weekly basis and that his two younger sons are too afraid to cycle in the park with him.

He said: “The other day I was cycling through the park with my wife and we passed a lady with a boxer dog.

“The dog came up to me, barking and snapping. The owner just stood there and watched. She didn't make any attempt to control it.

“When we were out of sight of the owner the dog up to us again, barking and snarling. I chased it off but it kept coming back.

“I couldn't believe it when about 150 metres further on I then had a springer spaniel go for me.

“Nearly every time I go into the park I have dogs chasing me and snapping and snarling at me. I counted 60 dogs in one small area of the park last week.

“I am convinced that sooner or later there will be a real tragedy.”

Mr Preston is calling for a change in the law to protect the public.

He said: “All dogs should be chipped and, if they are known to cause trouble, they should be muzzled or kept on their lead.

“There are signs in parts of the park saying dogs must be kept on the lead but there is no no one to enforce it.”

A spokesman for the police said that dog attacks in Sutton are very rare.

He said the police patrol Sutton’s parks and open spaces on a regular basis as part of the council funded Safer Parks Team and that anyone witnessesing an attack should contact the police straight away.