Springfield, Vt. — State officials have closed Interstate 91 southbound at Exit 7 for a collision between a log truck and a state plow truck, according to a news release.

No other information was immediately available on that crash.

In a separate multiple-car crash, I-91 has been closed north of Exit 9 in Hartland. Hartland Fire Department and Vermont State Police are on scene, according to the Hartford Emergency Communications Center Facebook page.

Authorities are asking the public to seek alternate routes.

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Posted online at 5:45 p.m. on Wednesday. Updated at 8:30 p.m.