Bus of high school students tips over on Minnesota interstate . Forty-eight people , including the driver , were on the westbound bus that tipped over about 6 a.m. , the Minnesota Highway Patrol said . One person killed , three critically injured , witnesses say . Two people from Pelican Bay , Minnesota , were on way home from Chicago , Illinois .
Bus of high school students tips over on Minnesota interstate . One person killed , three critically injured , witnesses say . Two people from Pelican Bay , Minnesota , were on way home from Chicago , Illinois .