Man, funerals are tough enough as it is; the added mayhem of rampaging large animals can't help. Apparently startled, two horses broke loose from a funeral procession and took off down a carriageway in Suffolk, England where they were hit by cars. While the extent of the horses' injuries isn't known, they were both well enough to be walked back to their stables. The casket was subsequently carried to its final resting place by motorcar.
Cars hit runaway funeral horses [BBC]
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