This story is developing currently.

Monday afternoon, at an elementary school in San Bernardino, a shooting occurred with multiple people allegedly shot, there was one shooter involved.

San Bernardino Live video Update 4 victims, possible Murder Suicide. pic.twitter.com/vbNy4ksXsz — M. Jennings (@RealFriscoKid) April 10, 2017

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3 people confirmed shot 1 shooter/suspect is either in custody or dead Rest of children evacuated to safety in park#SanBernardino — Mike Cernovich 🇺🇸 (@Cernovich) April 10, 2017

The suspect is down but we have no verification yet whether they are dead or in custody.

San Bernardino police believe the situation to be a murder-suicide.

Local KTLA reported: