Actor/comedian Robin Williams is dead in an apparent suicide

Breaking — Actor and comedian Robin Williams has died in a suspected suicide in his Marin County home. http://t.co/bG4vhe9bZB

— Chris Megerian (@ChrisMegerian) August 11, 2014

Developing.

Update:

Fans, including celebs and journalists, have begun tweeting their condolences.

Legendary comedian & actor Robin Williams dead at 63. Such a loss. #rip

— dianafalzone (@dianafalzone) August 11, 2014

http://twitter.com/#!/AlyssCampanella/status/498968260134842369

Mrs. Doubtfire is still one of the best movies about divorce. RIP, Robin Williams. RIP.

— Christina Warren (@film_girl) August 11, 2014

RIP Robin Williams, you always made me laugh, you always seemed so kind and genuine

— Gerard Way (@gerardway) August 11, 2014

god no.

— John Stamos (@JohnStamos) August 11, 2014

Goodbye Robin Williams- from Juilliard, to Mork, and Mrs. Doubtfire, he entertained us – and we are thankful!

— martha maccallum (@marthamaccallum) August 11, 2014

So sad about Robin Williams…?

— KATY PERRY (@katyperry) August 11, 2014

I am in shock.I had never seen him happier & more positive in all the yrs I've known him. There's no one like him. Robin Williams RIP

— Marilu Henner (@TheRealMarilu) August 11, 2014

Oh Robin?

— Cher (@cher) August 11, 2014

Can’t believe news about @robinwilliams,I’m heartbroken! Praying for his family, loved ones, fans worldwide & peace for his soul…RIP

— Gloria Estefan (@GloriaEstefan) August 11, 2014

My love to Robin and His Family. I am devastated!

— Edward James Olmos (@edwardjolmos) August 11, 2014

My heart goes to Robin Williams family. A TREMENDOUS comedic talent & WONDERFUL ACTOR! I loved his work. -Barbara

— Barbara Eden (@Barbara_Eden) August 11, 2014

https://twitter.com/ArianaGrande/status/498974282706198528

Devastating finding out about @robinwilliams today. He was an amazing talent and incredibly sweet. So sad.

— Kelly Clarkson (@kelly_clarkson) August 11, 2014

My prayers+sad heart are with Robin Williams' family tonight. Only met him once, but it was one of the most enjoyable moments of my life RIP

— P!nk (@Pink) August 11, 2014

Update:

TMZ reported last month that Williams was in rehab for alcohol abuse at at Hazelden Addiction Treatment Center near Lindstrom, Minnesota.

Update:

His last tweet was a birthday shout-out to his daughter, Zelda:

#tbt and Happy Birthday to Ms. Zelda Rae Williams! Quarter of a century old today but always my… http://t.co/qlsWIu429e

— Robin Williams (@robinwilliams) July 31, 2014

Update:

Williams’ death and apparent suicide have now been confirmed by numerous mainstream media outlets. We have revised our headline accordingly. (The original headline said he was “reportedly” dead.)