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Twenty dogs were seized from an Ontario home in a suspected dog-fighting operation, officials said Wednesday.

One of 20 dogs seized from an Ontario home on April 12, 2017 had a broken leg that might need to be amputated. (Credit: KTLA)

Ontario Police responded to a home near the intersection of Euclid Avenue and Phillips Street.

The Inland Valley Humane Society found the dogs as well as treadmills, weighted vests and weight pulling harnesses, all associated with dog fighting. Officials say the homeowner was training the dogs to be fighters.

The dogs were taken to the human society and were being evaluated by a veterinary staff. They have what appear to be scars on their faces and bodies. Some are skittish and scared and tried to hide when a news crew walked by.

One of the dogs apparently had a broken leg and another was “extremely emaciated.”

“The leg was just dangling,” said Curtis Burton, of the Humane Society. “It appeared to be mangled and twisted.”

He added that there were “obvious signs of cruelty” at the home and the dogs were kept in separate kennels that were too small for their size.

One of 20 dogs seized from an Ontario home in a suspected dog-fighting operation on April 12, 2017 is recovering. (Credit: KTLA)

“They are in better condition than they were,” Burton said. “Right now it’s just a matter of time to see how they all do.”

The Ontario Police Department and local code enforcement officials also responded to the incident.

No details were released about the person who was arrested.

The dogs are expected to go up for adoption after a 14 day hold, officials said.