NEW YORK (CBSNewYork) — An intense rescue effort tragically turned into a recovery effort Wednesday afternoon after a wall collapsed on a worker at Brooklyn construction site.

The NYPD said the worker became trapped at 7th Avenue and 39th Street at around 1:30 p.m.

The worker was buried under rubble, officials said.

The FDNY announced the incident transitioned from a rescue to a recovery shortly before 5 p.m. as the Department of Buildings remained on scene probing the cause of the collapse.

The search for the buried worker will resume Thursday morning.