A construction worker was critically injured when he was electrocuted while working on the roof of a Manhattan skyscraper, police said.

The worker was shocked at around 1:45 p.m. Tuesday while atop 2 Park Ave. between E. 32nd and E. 33rd streets.

The man was rushed to Bellevue Hospital in critical condition, officials said.

The exact circumstance of the incident are not immediately known, police said.