Liam Payne investigators say they are trying to reconstruct the star’s “last hours”.

Officials investigating the death of Liam Payne Argentina said on Tuesday that they are trying to rebuild the previous “One directionThe star’s “last hours” as experts examine cellphones, computers, photos and videos from security cameras.

Payne’s father, Geoff Paynewas updated in connection with an investigation by the head of Argentina’s National Criminal Prosecutor’s Office, according to a news release. Geoff Payne has been in Argentina since the weekend, when he visited the hotel where Payne died.

The prosecutor’s office told Geoff Payne that toxicology reports are pending. Another investigation is underway to see if Payne was ill at the time of his death. That test, which is being done as part of Payne’s autopsy, must be completed before the singer’s body can be released, officials said.

Investigation in the early hours Payne’s death is still ongoing, the prosecutor’s office said. CBS News previously reported that police were dispatched to Payne’s hotel in response to an emergency call about an “aggressive male who may have been under the influence of drugs or alcohol” who was “throwing himself off the balcony of his room.” Officials have not confirmed whether Payne jumped on purpose or fell by accident. Investigators said his room was in disarray, with drugs and alcohol appearing among the broken items and furniture.

ABC News and TMZ, citing unnamed sources familiar with the initial tests, reported a cocktail of drugs called “pink cocaine” — containing methamphetamine and ketamine — was found during a partial autopsy, but officials have not released the results of the preliminary tests.

The prosecutor’s office said it was conducting an analysis of electronic devices at the scene, and “many statements” were taken from hotel staff, medical experts, and others “to reconstruct the last hours of the victim.”

The prosecutor’s office noted in a press release that any information about Payne’s death would only be released through its official channels.