The shooting of African-American, father-of-four Walter Scott by a white cop has provoked a torrent of anger and grief from celebrities on social media. Mr Scott, 50, was gunned down by Officer Michael Slager on Saturday morning in Charleston, South Carolina, when he ran from the cop. Pop star and member of Destiny's Child, Michelle Williams, wrote: 'Once again... #WalterScott' and added a broken heart. Singer Janelle Monáe said: 'This brought tears to my eyes. #WalterScott reminds me of my uncle, family. Can only imagine the pain his fam feels.' Rapper Big Boi simply tweeted an image of a black square with the words: '#WalterScott'. Scroll down for video . Destiny's Child member Michelle Williams tweeted about her grief over the shooting of father-of-four Walter Scott in South Carolina on Saturday . A number of celebrities joined a torrent of outrage from Twitter users over the shooting on Walter Scott. Rapper Big Boi simply published a black square with the words: #WalterScott . Singer Janelle Monae also added her condolences on Twitter following the shooting of the father-of-four . Musician Questlove shared his anger with followers through his posts after it emerged that Scott had been running from the cop with his back turned when he was shot dead . Mr Scott, 50, was gunned down by Officer Michael Slager on Saturday morning in Charleston, South Carolina and pronounced dead at the scene . Musician Questlove wrote: 'I believe in waiting to hear everything before casting opinion. But allow me the preemptive...uh...shot of "I feared for my life" my ass.' He went on: 'Can you imagine the amount of murders that went down before the age and development of cell phone videos? this didn't start this year.' The star added: 'i was numb, now I'm angry. i rarely cuss here out of respect. but I'm angry as f***. good night.' Actor Isaiah Washington tweeted: 'Okay, watching the #WalterScott video was horrible, but I think the brave person who captured the murder is a Hero and a Godsend #Truthdom.' The former Grey's Anatomy star also changed his profile picture to that of a statue which was created by artist Phillip Hyman on a South Carolina roadside in honor of Scott's death. Officer Slager initially claimed that he feared for his life and Scott wrestled a Taser from him. However a video emerged on Tuesday of Slager firing at the victim eight times when he was 15-20 feet away with his back turned. Actor Isaiah Washington tweeted: 'Okay, watching the #WalterScott video was horrible, but I think the brave person who captured the murder is a Hero and a Godsend #Truthdom' A sculpture was placed by the roadside in Charleston, South Carolina as a  memorial following the shooting of unarmed, black, father-of-four Walter Scott . Comedian Orlando Jones, who comes from the same state, as Walter Scott, shared his anger on Twitter . Slager was charged with murder on Wednesday and could face the death penalty. South Carolina Senator Tim Scott also added his thoughts on the killing, describing Mr Scott's death as 'unnecessary and avoidable'. He added: 'My heart aches for the family and our North Charleston community.' Writer-director Joss Whedon tweeted: 'At this point, the Slager murder seems like a message, a mafia thing, like it's meant to shut people down or set them off. IT HAS TO END.' TV anchor Geraldo Rivera added: 'No spin-video clearly shows white N. Charleston cop shooting fleeing black man 8 times in the back... If this guy’s acquitted I’ll join protest.' Mr Scott, (pictured left) a former U.S. Coast Guard, leaves a fiancée, his parents, siblings and four children after he was shot dead by a police officer. Right, Michael Slager has been charged with his murder . Destiny's Child singer Michelle Williams (left) and RnB star Janelle Monae both posted on their Twitter accounts about their grief over the death of Mr Scott . Director Joss Whedon added his outrage to the cop shooting which was captured on camera on Saturday . TV host Geraldo Rivera had strong words following the shooting which led to the cop being charged with murder in South Carolina . South Carolina Senator Tim Scott also added his thoughts on the killing, describing Mr Scott's death as 'avoidable'
Mr Scott, 50, was gunned down by Officer Michael Slager on Saturday morning in Charleston, South Carolina .
Singer Janelle Monáe said: 'This brought tears to my eyes. #WalterScott reminds me of my uncle, family. Can only imagine the pain his fam feels .
Rapper Big Boi simply tweeted an image of a black square with the words: '#WalterScott'
Slager has been charged with murder and could face the death penalty .