WASHINGTON (AP) — Former Vice President Joe Biden has put an exclamation point on his Super Tuesday victories by winning the most delegates on the presidential primary calendar's biggest night.

The Associated Press has allocated more than 92% of the 1,344 delegates that were up for grabs on Tuesday, and Biden has such a commanding lead that Vermont Sen. Bernie Sanders cannot catch up as the remaining votes from that day's 14 state primaries are counted.

Biden built his delegate lead on Tuesday by racking up huge victories in Alabama, North Carolina and Virginia, while scoring a narrow win in T...