Update at 09:27 a.m. BJT Wednesday

The identities of all the three missing people have been confirmed. Two of them are Shi Yi, 51, and Shi Kewei, 22, who are father and son originally from Hunan Province and work for the same cleaning agency in Guangzhou. The other victim is Luo, a 53-year-old man from Puyang City, Hunan Province.

Update at 22:00 BJT Tuesday

The identities of two of the three missing people have been confirmed, leaving one unidentified. The police have not received any reports from the families, and identity verification is still underway.

Update at 18:30 p.m. BJT Monday

Three people trapped in Guangzhou Shahe metro road collapse are yet to be recovered, and their status still unknown,  local authorities said at a press conference on Monday.

Rescue and recovery efforts are still ongoing, and the ground at the site is now stable, said local authorities.

Highway in the surrounding area of Guangzhou Avenue North is safe and secured, and electricity is stable in the area and on the site.

(CGTN's Omar Khan, Chen Yilin and Huang Yi also contributed to this story)

Updated at 10:10 a.m. BJT Monday

As of 5:00 a.m. Monday, the municipal emergency bureau has dispatched more than 1,100 rescuers and 192 rescue vehicles for the rescue mission, Guangzhou metro said on its social media platform.

Local traffic police confirmed that the Shahe interchange on the Guangzhou Avenue locked for the incident has resumed normal traffic at 7:00 a.m.

According to media reports, a father and his son was on board the trash truck as the accident happened, whose families are waiting for them at the site.

Updated at 10:01 p.m. BJT Sunday

Three people were confirmed to be trapped and the rescue operations are underway, local authorities said at a press conference on Sunday evening.

To prevent the hole from expanding, the hole was back-filled, local media reported. 

The collapse happened at around 9:28 a.m. local time, and police responded to the scene at around 9:40 a.m. local time. 

The cause of the accident is still under investigation. 

Local media said the deepest part of the hole reaches nearly 38 meters, and the collapsed area has nearly doubled as of 2:00 p.m., after two more collapses.

Traffic control was implemented around the accident site and nearby gas and water pipes were shut down due to the safety concerns, according to reports.