Entertainment TV Heather Morris and Other Glee Stars Gather at the Lake Where Naya Rivera Died Naya Rivera's Glee costar Heather Morris shared on Sunday that she wanted to help in the recovery efforts to find her missing friend By Robyn Merrett Published on July 13, 2020 05:20 PM Share Tweet Pin Email It was a somber scene at Lake Piru on Monday as Heather Morris and other Glee cast members gathered together at the site where their former costar Naya Rivera went missing. A source tells PEOPLE that Morris, who played Rivera's love interest on the musical comedy series, was at the lake and arrived with friends. In footage captured by ABC 7, Morris, 33, and several others are seen standing hand-in-hand as they look out onto the body of water where Rivera was last seen. Rivera's Step Up: High Water costar Terrence Green, who was a part of the group, shared multiple posts to his Instagram Story from the day. In the first, he extended his arm into Lake Piru, which he captioned with a dove and broken heart emoji. And in a third slide, he wrote: "We called out to you this morning...You answered." The Ventura County Sheriff's Office tweeted earlier on Monday that a "body has been found at Lake Piru this morning. The recovery is in progress." Glee cast at Lake Piru. Al Seib/Los Angeles Times/Getty Terrence Green's Instagram Story post. Terrence Green/instagram Terrence Green's Instagram Story post. Terrence Green/instagram During a press conference on Monday afternoon, Sheriff Bill Ayub of Ventura County Sheriff's Office said they "are confident the body we found was Naya Rivera." "It has been an extremely difficult time for her family throughout this ordeal," said Ayub. "Our hearts are with them and we share in their grief for Naya’s loss." Speaking with PEOPLE on Monday, Ventura County Sheriff’s Office Sgt. Kevin Donoghue said Rivera's body was located shortly after her castmates prayed for her at the water's edge. "Some of her cast members from Glee came to the lake and they were allowed to come down to the water's edge, and they, as a group, they prayed for her. And it was shortly after that, that her body was located," said Donoghue, who said the group arrived around 8 a.m. Naya Rivera and Heather Morris. Glee Star Naya Rivera Dead at 33 After Disappearing on Boating Trip with 4-Year-Old Son On July 8, Rivera's 4-year-old son Josey was found alone on a pontoon boat at the Southern California lake, where the pair had been swimming. A day later, authorities announced that Rivera, 33, was presumed dead. Authorities said Josey was "in good health" despite his mother's disappearance, and the boy was reunited with his father, Rivera's ex-husband Ryan Dorsey. The toddler told investigators that his mother never got back into the boat after they had been in the water. On Sunday, Morris asked authorities if there was any way that she could help in the recovery efforts to find her friend. Body Found in Lake Piru, Where Naya Rivera Went Missing: Police “My name is Heather Morris, I'm Naya's close friend and co-worker, and I'm trying to conduct an on foot search and rescue mission along with a small group of friends at Lake Piru,” she wrote on Twitter, in response to the Ventura County Sheriff’s Office. “I understand your team is doing EVERYTHING in their power, but we are feeling helpless, powerless and want to help in any way,” Morris added. “I have left a message with the department of Rescue and Air today, and I will call again tomorrow. Thank you.” In the days since Rivera’s disappearance, Morris had continually called for prayers that the actress would be found soon. Heather Morris and Naya Rivera. "We need all the prayers we can get to bring our Naya back home to us. We need your love and light 🙏🙏" she wrote in one social media message. Alongside another post — a video that depicted clouds moving in the sky — Morris simply shared the hashtag “Bring Naya Home.” Police Say Investigation into Naya Rivera's Disappearance Points to 'a Tragic Accident' Naya Rivera and son Josey. Gregg DeGuire/Getty Images A spokesperson for the Ventura County Sheriff’s Office confirmed to PEOPLE on Saturday that Rivera’s family members had visited the California lake. "Naya's mother and brother have been at the lake every day since Naya disappeared. They have been in constant contact with the Sheriff's Office and involved in the search,” a source told PEOPLE. “On Saturday morning, they joined the search on a sheriff's boat.” Ventura County Sheriff Sgt. Kevin Donoghue previously told PEOPLE that although the events that led to Rivera's disappearance were "still a mystery," there was no reason to suspect foul play or that Rivera was attempting suicide.