Phillip Seymour Hoffman

Dead of Apparent OD

3 minutes ago BY TMZ STAFF

Breaking News

Phillip Seymour Hoffman was found dead Sunday in a New York City apartment of a reported drug overdose.

Law enforcement sources tell TMZ ... the actor was found Sunday morning inside of his Greenwich apartment ... and they're still on scene investigating.

Details surrounding his death are unclear ... but the actor had struggled with drug problems ... most recently checking himself into a rehab facility for heroin back in May.

As we previously reported ... Hoffman had been clean for 23 years but fell off the wagon in 2012.

Story developing ...