Post-mortem results indicated that Liam Payne was alone at the time of the fall and "was going through an episode of substance abuse", according to prosecutors.

A cocktail of drugs called “pink cocaine” containing methamphetamine, ketamine and MDMA had been found during a partial autopsy

Payne, 31, had “pink cocaine” in his system, a recreational drug that could be a mix of several drugs including methamphetamine, ketamine, MDMA, cocaine, benzodiazepine, and crack.

British pop star and former One Direction member Liam Payne had a toxic mixture of drugs in his system at the time of his death in Argentina last week, ABC News reported, citing a toxicology report.

Partial autopsy has revealed multiple drugs including crack cocaine and methamphetamine in his system at the time of his death.

Liam Payne reportedly had 'pink cocaine' and other substances in his system during his fatal balcony fall.

Experts have reportedly discovered traces of cocaine in Wolverhampton star's Payne's body following the death of the 31-year-old singer in Buenos Aires in Argentina.

Local police said Payne was declared dead on the spot after falling from the third floor of the Casa Sur Hotel in Buenos Aires.