AceShowbiz - John Stamos has spoken up on the shocking death of his friend and co-star Bob Saget. After news broke of the stand-up comedian's passing, the Jesse Katsopolis depicter on "Full House" took to Twitter to mourn the loss.

The "ER" alum shared his feelings through the social media application on late Sunday, January 9. "I am broken. I am gutted. I am in complete and utter shock," he admitted, before adding, "I will never ever have another friend like him. I love you so much Bobby."

Bob died suddenly in his hotel room at the Ritz-Carlton in Orlando on Sunday, January 10 in the middle of comedy tour. He was 65 years old. On its official Twitter page, the Orange County Sheriff's Office confirmed the sad news.

"Earlier today, deputies were called to the Ritz-Carlton Orlando, Grande Lakes for a call about an unresponsive man in a hotel room. The man was identified as Robert Saget & pronounced deceased on scene," the tweet read. "Detectives found no signs of foul play or drug use in this case."

They reiterated the statement to TMZ, saying, "We have no information on cause of death, and detectives have found no signs of foul play or drug use in this case." They additionally noted, "the Medical Examiner's Office will make the final call on the cause and manner of death."

Earlier on Sunday, Bob seemed to be in good spirit as he tweeted about his Saturday night show at the Ponte Vedra Concert Hall in Jacksonville. "Loved tonight's show @PV_ConcertHall in Jacksonville. Appreciative audience. Thanks again to @RealTimWilkins for opening. I had no idea I did a 2 hr set tonight," read his final tweet. "I'm happily addicted again to this s**t. Check https://BobSaget.com for my dates in 2022."

Bob starred alongside John on the ABC sitcom "Full House" and its sequel "Fuller House", which was released on Netflix. He also hosted "America's Funniest Home Videos" from 1989-1997 and narrated as Ted Mosby on CBS' sitcom "How I Met Your Mother".