LAWRENCE, MA (WHDH) - Emergency crews were on the scene of a crash in Lawrence in which at least one person required a medical helicopter.
Crews responded to the crash Thursday afternoon on I-495 South in Lawrence.
A white SUV was involved in the crash. It was not immediately clear how many other vehicles were impacted.
Traffic could be seen backed up for miles.
This is a developing story; stay with 7News for continued updates.
(Copyright (c) 2017 The Associated Press. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.)