UPDATED | June 2, 2017 5:25 PM

GRAND PRAIRIE (CBSDFW.COM) – A teenager was killed early Friday morning while trying to cross Interstate-20 near Great Southwest Parkway in Grand Prairie. The incident happened just before 5:00 a.m. in the eastbound lanes of the freeway and created a traffic nightmare in the area.

According to police, four teenagers were attempting to cross the highway when one of them, Ryan Sherman, lost a red sandal.

Police said Sherman went back to get the sandal and was struck by two cars and killed. Both drivers who struck the teen did stop and has been cooperating with authorities.

The other three teenagers fled from the scene. Police would now like to speak with them.

“The most important thing that they can right now is call the Grand Prairie police department and let us come and talk to them about what they saw and what had actually happened,” said Det. Lyle Gensler.

The eastbound side of the interstate was was shut down so that police could conduct a full investigation.

The closure also shut down the ramps from Highway 360 northbound and southbound onto eastbound Interstate-20. Authorities have since started opening some lanes back up to regular traffic.

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