Four people have been taken to hospital after five runaway horses of the Household Cavalry threw off their riders and raced through London. The horses, one of which was covered in blood, caused chaos as they roamed the city centre and collided with vehicles, including a double-decker bus and taxi. They initially became spooked by loud construction during a routine military exercise in Belgravia, the Army said. Officers said the horses had been recovered and returned to camp. Read more on the BBC News website: https://bbc.in/4dflKlw Subscribe here: http://bit.ly/1rbfUog #London #BBCNews