JANI LANE: DIED OF ALCOHOL POISONING

TMZ.COM. has reported that EX WARRANT vocalist JANI LANE (via toxicology reports) died of "acute alcohol poisoning".

FROM TMZ.COM: Officials have determined Warrant singer Jani Lane died from alcohol poisoning ... law enforcement sources tell TMZ.

We're told the L.A. Coroner's Office has finished its investigation -- and concluded Lane had suffered from "acute ethanol poisoning" when he died in an L.A. motel room on August 11.

As TMZ previously reported, investigators found a half-empty bottle of vodka and prescription medication in the motel room where Lane died.

The singer had battled substance abuse issues for years.

Thanks-Stay Metal, Stay Brutal-\m/ -l-