He seized two heavy stones and hurled the first with deadly intent at his uncle's head.

Mick dodged in time, but the second, thrown lower, hit him on the thigh.

Mick gave a roar of pain.

Rolf hastily seized more stones and shrieked out, "You come on one step and I'll kill you!" Then that purple visage turned a sort of ashen hue.

Its owner mouthed in speechless rage.