A suspect fleeing Boston police was struck by a vehicle as they attempted to run across Interstate 93 Friday afternoon, according to State Police.
State Police spokesman Trooper Paul Sullivan did not know the extent of the suspect’s injuries, or why they were being pursued by Boston police.
A Boston police spokesman did not immediately have information on the incident.
The incident resulted in gridlocked traffic on both sides of I-93 during the Friday evening rush hour, according to MassDOT.
Volume was particularly heavy through Dorchester and into Quincy. Southbound, traffic was backed up to the O’Neill Tunnel in Boston, while northbound it was heavy approaching the city from the Braintree split until about Exit 13.
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Christina Prignano of Globe staff contributed to this report. Olivia Arnold can be reached at olivia.arnold@globe.com. Follow her on Twitter @olivia_arnold12