A motorcyclist was fatally injured today when the bike crashed into another vehicle in Seal Beach.

The crash happened on the southbound 405 Freeway at Seal Beach Boulevard around 3:45 p.m., according to the California Highway Patrol.

There was no immediate word on the gender or age of the victim, whose name will be withheld pending notification of next of kin. The person apparently died at the scene, according to the CHP.

The car pool lane was temporarily closed because of the crash. A SigAlert was issued by the CHP.

No other injuries were so far reported.