The Permanent Secretary, Lagos State Emergency Management Agency, Dr Olufemi Damilola Oke-Osanyintolu, confirmed the incident in the early hours of Sunday.
He stated that an operation had commenced on the site to rescue those trapped.
He said, “Upon arrival at the scene of the incident, an uncompleted 7-storey building undergoing construction was found to have collapsed.
No injury was sustained, however, about six people are reported to be trapped under the rubble of the collapsed structure.
“The agency’s heavy-duty equipment excavator will be required for the rescue of the trapped victims. We have activated the Lagos State Response plan . Operation ongoing.”