This afternoon’s Betway Queen Mother Champion Chase could hardly be more puzzling for punters, the essential difficulty not in reading the form, but gauging/guessing the well-being of the market leaders, Sprinter Sacre and Sire De Grugy.

More cars have been set on fire in suspected arson attacks in the Los Angeles area and authorities are investigating whether they are connected to nearly two dozen that were deliberately set alight a day earlier, police said.