Because the apparent drugs involved an unidentified “white powdery substance,” a hazardous materials crew was called in to make sure the area was safe, police said.

Police say that a white powdery substance was discovered at the house where the party was early Sunday morning.

One dead, three hospitalized after a hazardous incident at an Anaheim party involving a white powder substance.

One man died and three others were rushed to a hospital after an overdose incident during a party in Orange County early Sunday morning, police say. According to Sgt. Armando Pardo of the Anaheim Police Department,

Four people were found unconscious outside an apartment building in Anaheim Sunday morning after apparently overdosing on drugs during a party, according to police.