UPDATE: WLNS-TV reports that authorities discovered a marijuana grow operation and one person has been arrested.  This situation is what led to the closure of 496 at 96 on Friday morning.  Story developing...

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NB 496 has reopened, SB remains closed, the LSJ says.  It also says the sheriff's department released a short statement just before 10am saying "We have nothing to report at this time, per the Sheriff," but confirmed that a K9 search was involved in the situation.

This situation is separate from an overnight accident involving an Amazon truck that closed the same area.  It reopened for a short time this morning before being closed again.

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I-496 eastbound is closed at I-96, the Lansing State Journal reports, though it is unknown the reason. The LSJ says it appears authorities are searching nearby woods.

Story developing...