Harrison Wagner, the son of Jack and Kristina Wagner, was discovered dead in a North Hollywood parking lot on Monday; no cause of death was given at the time.

Police and paramedics responded instantly, but he was declared dead at the age of 27.

However, officers, who were called to the location in response to a medical emergency, did not suspect any foul play, according to a statement provided to E! Newsby the Los Angeles Police Department.

Harrison Wagner Cause of Death Update

According to Page Six, the cause of death for Harrison Wagner will be investigated further.

"Cause of death is delayed," a spokesman for the Los Angeles Coroner's Office informed the site.

"Deferred implies that a cause of death has not been identified during an autopsy, and the medical examiner is demanding extra research into the case, including additional tests."

They went on to explain, "Once the tests/studies are completed, the doctor re-evaluates the case and determines the reason of death."

Though no cause of death has been disclosed, it has been reported that Harrison Wagner previously suffered with substance usage and even went missing in 2016.

It's unknown whether narcotics had a role in his death.

At the time, Jack Wagner posted that his son had relapsed and had been gone for five days.

"I'm concerned about the safety of my younger boy. Harrison had fought with drugs and alcohol in the same way as I had when I was younger."

At the time, Jack also tweeted that he wanted others to share their "fears, addictions, and challenges" with him over Twitter so that "we can fight them together."

Harrison contacted them the next day, according to reports.

Tributes to Harrison Wagner

For the first time since his younger brother Harrison died, Peter Wagner broke his silence.

On Wednesday, the 31-year-old shared numerous photos of his brother on Instagram with the comment "Always with you."

The photograph showed the two of them while they were younger.

Jack and Kristina Harrison have not publicly commented on their son's death. Despite their divorce in 2006 after 13 years of marriage, they remained friends and co-parented.

Sophia Bui, Harrison's girlfriend, also came out about the loss in a devastating post that featured the two of them, with her head resting on Harrison's shoulder and his arm wrapped around her.

"I'm very heartbroken," she said in the message.