IRVINE ( – A pedestrian was struck and killed by a vehicle Thursday on the 405 Freeway in Irvine, according to California Highway Patrol.

The person died at the scene of the injury, which occurred shortly after 6 a.m. on the southbound side of the 405 Freeway near Laguna Canyon Road, the CHP reported. The circumstances of the crash and the identity of the victim were not immediately confirmed.

A Sig Alert was issued at 6:30 a.m., according to the CHP incident information page,l and all southbound freeway lanes were diverted for several hours onto a bypass road at the 133 Freeway while an investigation was conducted. The freeway has since been reopened.

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