Four workers were killed in a tragic incident after land caved in at a construction site at Pangappara in Thiruvananthapuram on Monday.

The construction of a flat under the Kerala Land Reforms Cooperative Society was underway when the incident occurred.

According to reports, the land caved in from a height of at least 20 feet.

Of the deceased, two were natives of Bengal, John and Sapan, one from Bihar Harnad Barman, while the fourth person was a Keralite named Unnikrishnan.

There were a total of six workers at the construction site. One person who survived has been identified as Sudarshan, aged 45 years. Another person is yet to be identified.

The incident occurred at around 3.30pm. It had been raining in the area for the past few days. Rescue operations are underway.

The bodies of the construction workers have been shifted to Thiruvananthapuram medical college hospital.

(This is a developing story. Further details awaited.)