Chokecherries suspected in horses' deaths

Experts are searching for what killed two well-fed, watered horses in a pasture on the property of the Northern Agricultural Research Center earlier this week.

The two horses were found dead on Monday in a pasture east of the research center headquarters, according to a press release from the Montana State University News Service.

Four other horses in the same pasture were alive and unharmed when the horses were discovered, it said.

The animals, owned by two research center employees, were "healthy and well cared for," had plenty of food and water and were checked daily by center staff, said G...