A gas pipeline exploded Tuesday morning in Collin County, sending massive flames and thick smoke high into the sky. The incident happened just after 8:30 a.m. near the intersection of Highway 121 and Highway 75 in McKinney. 
A gas pipeline exploded Tuesday morning in Collin County, sending massive flames and thick smoke high into the sky. The incident happened just after 8:30 a.m. near the intersection of Highway 121 and Highway 75 in McKinney.