WILLIAMSBRIDGE --Two people are hospitalized after a fire Friday morning in a three-story home in the Bronx. The fire broke out at 10:43 a.m. at 823 East 219th Street in the Williamsbridge section. The injured were taken to Jacobi Medical Center, where one person is in critical condition and the other is in serious condition. The fire was placed under control within a half hour. The cause is under investigation.