Explosion Sends Two San Anselmo Men to Hospital, Then Jail on Drug Charges

Two brothers, Elliot and Addison Zweig, were taken to Kaiser Permanente Medical Center with burn injuries Thursday afternoon after firefighters responded to a fire at the Tunstead Ave. home they were renting in San Anselmo. The Zweigs' trip didn’t end there, however, as the two men wound up in Marin County Jail on suspicion of manufacturing illegal narcotics – facing $500,000 in bail each.

Ross Valley Fire Department personnel responded to the blaze at around 4:30 p.m. Thursday, according to department officials. A garage adjacent to the house the Zweigs were renting was aflame. One of the victims suffered first-degree burns to the face while the other had second-degree burns on his arms, fire department officials said.

An ensuing investigation by the Marin County Major Crimes Task Force established evidence that the men were allegedly engaged in making “honey oil,” an extract from marijuana, according to Sgt. Pierre Ahuncain.

Ahuncain explained that the process involves the use of butane gas and “there were dozens of cannisters” in the garage. He said a build-up of gas was probably triggered by a source of ignition, as yet unknown.

Ahuncain said honey oil has grown in prevalence over the past year or two; it is similar to hashish oil but more potent.

The brothers are faced with charges of manufacturing a controlled substance, possession of marijuana and causing a fire.

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