BOSTON (WHDH) - A multi-vehicle crash in the O’Neill Tunnel is causing traffic delays for commuters heading into the city Thursday morning.

State police say the crash, which closed multiple lanes, occurred on Route 93 south at Exit 24.

All lanes have since reopened, though motorists should still expect delays.

This is a developing news story; stay with 7News on-air and online for the latest developments.

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