A lightning strike is the most likely cause of a barn fire that claimed the lives of eight horses in Massachusetts Tuesday night, according to fire officials.

Eight horses were killed in a fire at a 150-year-old barn in Walpole, Massachusetts. It's not yet known what caused the flames, but lightning is being eyed as a possibility. It happened around 11:15 p.m. Tuesday at Mor Linn Farm on North Street. No one was hurt in the fire, but 10 other horses survived.

Eight horses were killed Tuesday night when a two-alarm fire tore through a barn in Walpole, authorities said. The fire broke out around 11 p.m. at Mor Linn Farm, officials said. Eight horses died in the blaze, while 11 were successfully evacuated, according to June Gillis-Ahern, a friend of farm owners Catherine and Cormac Kennedy.