A pedestrian was hospitalized with life-threatening injuries after a crash on the East Side, according to San Antonio police.Around 11:40 a.m. Wednesday, officers responded to the crash in the 3100 block of Martin Luther King Drive.A 68-year-old pedestrian was attempting to cross the street in an area that was not marked off as a crosswalk, according to a San Antonio Police Department preliminary report.The driver of a Nissan Rouge was making a …