A WATSONVILLE BOY WAS CRITICALLY INJURED WHEN HE WAS HIT BY A CAR YESTERDAY AFTERNOON. THE ACCIDENT OCCURRED AT AROUND 3:30 P-M ON THE 200 BLOCK OF MAIN STREET. OFFICIALS SAY A 19-YEAR-OLD FEMALE RAN A RED LIGHT, HITTING THE 10-YEAR-OLD BOY WHO WAS CROSSING THE STREET WITH HIS FAMILY. THE VICTIM WAS AIR-LIFTED TO A BAY AREA TRAUMA CENTER.