Jackknifed semi-truck blocks northbound lanes of Florida's Turnpike in Martin County

A jackknifed semi-truck is blocking both northbound lanes of Florida's Turnpike in Martin County on Friday afternoon.The crash happened shortly before noon near mile marker 125, underneath the SE Bridge Road overpass.According to the Florida Highway Patrol, the truck driver lost control, causing the crash. No injuries have been reported.Both lanes continue to be blocked, causing major traffic delays. This story will be updated as more information becomes available and lanes reopen.