Transcript for Fatal bluff collapse killed 3 people in Encinitas, California
Out of that deadly disaster at a California beach a chunk of cliff crashing down a beach goers trapping them at least three people were killed here's AB c.'s K Lee Horton with an update. Tonight the fear the disaster could grow worse near the site of this fatal blow off collapsing in Sinead as California here is still active. Officials say naturally occurring erosion led to this cliff side keeping on top of the group has. Very very tragic event that world telling me today at Mellon Walton I think this happened five people trapped beneath the rubble stacking his height is ten feet. One woman died on the beach to others succumbed to their injuries at the hospital it's just horrifying that the people on the needs. By the end of that moment. After one of the highest tides have been here overnight. This is all that remains of the tons of sandstone that fell on this beach everything else has washed away. Beach chairs choice and shoots left strewn across this popular surfing beach tonight we're learning all three victims were members of the same family. 35 year old enclave and her mother Julie Davis among them. Both residents of and Sinead S. Authorities today reinforcing the beach surrounding this area mourners paying tribute to those who lost their lives without warning. That's right on this beaches reopened additional signs. Like this when posted lifeguards say they remind people daily to keep a safe distance from the blast that dissidents. Point five to forty feet top. Nearly hard time for us tonight Caylee thank you.
This transcript has been automatically generated and may not be 100% accurate.