Toxicology Tests Reveal Liam Payne Was High on Killer Cocktail of Crack, 'Pink Cocaine' and More Before Balcony Death Plunge — As Singer's Devastated Dad Refuses to Leave Side of His Boy's Body

The former One Direction singer had a 'toxic mix of drugs in his system' at the time of his death last week after plunging from his hotel balcony in Argentina.