KEITHVILLE, La. (AP) – Authorities say three people are dead in Louisiana and several others have been hurt as a destructive storm system has kicked up tornadoes in the South. Sheriff’s deputies found a young boy and his mother dead near Shreveport, Louisiana, after a tornado on Tuesday and a woman was found dead Wednesday west of New Orleans after an apparent twister there. The vast and volatile storm system is crossing from coast to coast, and hundreds of miles to the north, the system has delivered blizzard-like conditions to the Great Plains. The storms are expected to hobble the Midwest with snow and ice for days and push up the East Coast into New England.