In the news

This rather prompts the question of how the soldier concerned could have survived--surely it can't have been more than a glancing blow:

An Army source told The Sun Vida, the white horse that was seen soaked in blood was “lively” and had a history of being spooked.

The horse is thought to have kicked a soldier in the head during the King's Coronation, according to reports.

https://www.standard.co.uk/news/politics/household-cavalry-horses-london-blood-condition-b1153725.html