A wrong-way crash on Interstate 15 in Scripps Ranch sent four people to the hospital on Sunday.

The crash happened after 3 p.m. on the northbound lanes of the I-15, near Scripps Poway Parkway.

It's unclear why the person drove the wrong way on the freeway but multiple cars were hit, according to The San Diego police.

Out of the four people hurt, one person remains in critical condition, police said.

Lanes were closed while officers investigated, but have since reopened.

No other information was available.

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