Presons Ade News Today

>> ems 11, along with engine 97, already on scene. unconscious. >> reporter: narcan, or naloxone, can work within minutes to reverse the effects of an opioid overdose, if its administered quickly enough. its not known just what drug or drugs were involved in this incident, but lovato has openly discussed her battles with oxycontin, cocaine and alcohol. publicly celebrating six years of sobriety in march. ♪ warning signs of relapse perhaps were evident to fans on sunday at her last performance....