'A scandal' - was Leeds penalty correct and what does law say?

Leeds wins a hard-fought 1-0 victory over Everton, marked by controversy over a penalty decision. Everton defender James Tarkowski's arm was deemed to have blocked a shot, leading to the penalty, causing debate among players and managers. The decision drew criticism and scrutiny, with Tarkowski and Everton manager David Moyes calling it "bizarre" and "wrong."