MILTON (CBS) — Massachusetts State Police said a wrong-way crash on I-93 near Exit 3 in Milton left one person dead Saturday morning. A total of four cars were involved.

It unclear why one of the cars was driving northbound on the southbound side of the highway.

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According to State Police, one person was ejected from their car and another was entrapped.

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State Police said one person died after a wrong-way crash on I-93 (WBZ-TV)

The crash is still under investigation.

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The identities of those involved have not been released at this time.