HERNDON, Va. (WUSA9) -- Animal Control Officers are looking for a woman and her dog that was involved in a dog attack in the Town of Herndon last weekend.

Diana Stein, 51 and her Rottweiler, were involved in a dog attack on Sunday. Officers obtained several charges against Stein, who has apparently left the area.

Officers responded to a report of an animal running at large and dog attack in the 100 block of Laurel Way in Herndon around 5:30 p.m. on Sunday, August 9.

The Rottweiler reportedly charged a Border Collie that was being walked near the apartment. Eventually the dogs wee separated by witnesses. The collie required veterinary attention as he sustained multiple bite wounds. The Rottweiler's owner was also bitten and sustained several wounds.

"The neighbor with the little dog was walking and the Rottweiler took off after it and broke the leash. And the owner picked up the little dog, trying to get away," explained resident Daniel Aguilar.

The Rottweiler had been involved in previous attacks and had been deemed a "dangerous dog" by the judicial system, according to officials. Rules and protocols surrounding dangerous dogs are stringent.

"The lady keeps the dog out there for like three or four hours a day, tied up to a chain which it's not the best method for a Rottweiler," said resident Daniel Aguilar.

Due to the nature of the bites, the law requires that the dog needs to be quarantined. If the dog is not located, anyone suffering a human bite may need to go through the rabies post exposure series of shots. Rabies is a deadly disease.

Officers have made several attempts to contact Stein but are unable to locate her and ask for the public's help in locating her.

Warrants against Stein include: vicious dog, failure to notify a dangerous dog being loose and attacking another dog, and obstructing justice.

More information on dangerous and vicious dog violations and definitions can be found athttp://www.fairfaxcounty.gov/police/animal/dangerous-vicous-dogs.htm.

Anyone with information is asked to contact Crime Solvers electronically by visitingwww.fairfaxcrimesolvers.org or text-a-tip by texting "TIP187" plus your message to CRIMES(274637)** or by calling 1-866-411-TIPS(8477), or call Fairfax County Police at 703-691-2131.