Crews respond to a multi-vehicle crash on I-75 South near 7th Street downtown. Lanes are blocked, traffic is backing up. Use caution in this area, expect delays or seek an alternate route.For live traffic updates, click here.Click the video player above to watch other afternoon headlines from WLWT News 5This story was curated by Hearst's WLWT Alert Desk.Do you have photos or video of this incident? If so, upload them to https://www.wlwt.com/upload. Be sure to include your name and any additional details so we can give you proper credit online and on TV.