Philadelphia-born actor Bob Saget, the actor-comedian known for his role as beloved single dad Danny Tanner on the sitcom "Full House" and as the wisecracking host of "America's Funniest Home Videos," has died, according to authorities in Florida. He was 65.

The Orange County, Florida, sheriff's office was called Sunday about an "unresponsive man" in a hotel room at the Ritz-Carlton in Orlando, according to a sheriff's statement on Twitter.

"The man was identified as Robert Saget" and death was pronounced at the scene, the statement said, adding that detectives found "no signs of foul play or drug use in this case.

Next steps will include determining Saget's cause of death.

He was in Florida to kick off his stand-up comedy tour. His last show took place Saturday at the Ponte Vedra Concert Hall in Jacksonville.

Just hours before his death, he took to twitter to say he loved Jacksonville's show boasting an appreciative audience.

So many people took to social media following the heartbreaking news on Sunday and the buzz hasn't slowed down since.

Coworker on Full House and friend John Stamos wrote on twitter: "I am broken. I am gutted.  I am in complete and utter shock.  I will never ever have another friend like him.  I love you so much Bobby."

Henry Winkler tweeted out: "BOB … it was great to know you … Oh are you going to make God blush"

Celebrities continue to share their condolences but the one that hits home the most is his ties to Philadelphia.

Saget grew up in Philadelphia, graduating from Abington Senior High School and attended the Klein College of Media and Communication at Temple University.

The college tweeted out it's saddened to learn about the death of Saget.

He was a mentee of the late Lew Klein, the man the college is named after.

Tributes continue to pour in across the entertainment world.

He is survived by his wife and three children.

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