Wild dogs in a park in Mexico City killed four people. The Associated Press reported that one girl called her sister in panic when she was being attacked for help.

The park is called Cerro de Estrella and is surrounded by Iztapalapa district. Neighbors of the park found bodies of a 26-year-old woman and  a 1-year-old child on Dec. 29.

The AP reported that officials said that Shunashi Mendoza and the boy had bled to death and been partially eaten by the wild dogs. After that visitors found the bodies of a teenage couple, Alejandra Ruiz, 15, and Samuel Martinez, 16.

Ruiz called her sister Diana around 7 p.m. in panic asking for help. The AP reported that she said "several dogs are attacking us, help me!" Diana told Milenio TV that she thought her sister was joking and is still in disbelief that dogs killed her sister.

"What kind of dog can tear the skin from your whole arm and leave just bone and if it was an attack dog why didn't it attack her neck?" Ruiz asked according to the AP."What's most shocking is that one of her breasts was mutilated."

Mexico City prosecutors said in a statement to the AP that experts established that there were at least 10 dogs involved in each attack.

President of the Street Dog Protection association in Mexico City also doubts that the dogs killed the people that were found in the park. He said to the AP, "It's not the behavior of street dogs to kill humans."