Why BOTH Red Bulls Failed in F1's Bahrain GP

Was the fuel pump system to blame for Red Bull's failed Bahrain GP? After looking strong for most of the Bahrain GP, Red Bull suffered not one, but TWO car failures, meaning they scored zero points in the first race of the season. But was the fuel pump array to blame? Was it the car's temperature? And can they solve their issues before the Saudi Arabian GP? Jake Boxall-Legge takes a look at all this and whether the catastrophe could've been avoided.