At least eight people were stabbed, including two who were critically wounded, after a "large fight" broke out at an Oklahoma nightclub early Saturday, police said. Derick Walker, 19, was booked on one count of assault with a deadly weapon and two counts of assault with a dangerous weapon, police said. Derick Walker, 19, was booked on one count of assault with a deadly weapon and two counts of assault with a dangerous weapon, police said