Delaware County Sheriff's deputies say a former County Coroner died Tuesday after being struck by a pet llama that was trying to greet her.Deputies say 74-year-old Florence Lenahan apparently had a heart attack during transport to a hospital. Deputies say the llama slipped on wet grass and knocked her down, causing her to hit her head on concrete. Lenahan's family is working with the Delaware County Humane Society to find homes for the animals on her property.