The circumstances surrounding the death of ex-One Direction singer Liam Payne were suspicious and possibly involved drugs, though there was no sign of a third party being involved, Argentine prosecutors said. Payne, who died on Wednesday, first shot to fame as a teenager and grappled with the pressures of global stardom. As the news ricocheted around the world, fans and media swarmed the Casa Sur Hotel in the Palermo neighborhood of Argentina’s capital where Payne was found dead after plunging from his third-floor hotel room. All four of Payne’s former One Direction bandmates issued a joint st…