COBB COUNTY, Ga. - Interstate 75 northbound in Cobb County was closed late Tuesday morning after a deadly crash, according to the Marietta Police Department.

What we know:

All lanes were closed after the crash around 10:30 a.m. Tuesday, according to the Georgia Department of Transportation's website .

The Marrieta Police Department is investigating the crash.

What we don't know:

Officials have not said how long the interstate will stay closed or what led up to the crash.

This is a developing story, and we will keep you updated as we learn more.

The Source: Information for this article came from the Georgia Department of Transportation website. This story was updated from an earlier version to add that the crash was deadly. Cobb County Marietta Traffic News

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