Ashton Irwin is remembering his times with Liam Payne following the 31-year-old singer's shocking death last week. On Tuesday (Oct. 22) - six days after Payne suffered a fatal fall in Buenos Aires, Argentina - the 5 Seconds of Summer drummer opened up about the "sunken heart feeling" of losing his friend in a string of tweets.

The initial toxicology report into Liam Payne’s death showed multiple drugs, including pink cocaine, in the One Direction alum’s system at the time of his Oct. 16 death, according to reports.