NEW YORK — Emergency workers found two bodies Sunday in the mass of rubble left behind by an apparent gas explosion three days earlier in Manhattan’s East Village, police said.

The names of the two dead were not immediately released; a medical examiner was to determine the identifications.

Authorities had been looking for signs of two missing men, both believed to have been inside a ground floor sushi restaurant at the time of the explosion: 26-year-old Moises Lucon, who worked at the restaurant, and 23-year-old Nicholas Figueroa, a bowling alley worker who had been there on a date.

Workers raked through piles of loose brick and wood; rescue workers sent search dogs over debris where three apartment buildings once stood.

Several members of Figueroa’s family visited the blast site Sunday, holding flowers and crying.

Figueroa’s brother, Neal, leaned over barricades and shouted pleas to emergency workers: “He’s a strong man, I know he’s in there! Don’t give up, please find my brother.”

Authorities, however, acknowledged the chances of finding anyone alive were slim.

Mayor Bill de Blasio said someone may have improperly tapped a gas line before the explosion that injured 22 people, four of them critically.

Consolidated Edison said utility workers had discovered in August that the gas line to the restaurant had been illegally tapped. The discovery led Con Edison to shut down gas service to the building for about 10 days while the building owner made repairs. Gas service was restored after the utility deemed it safe, the utility said.

Inspectors from Con Ed visited that building about an hour before Thursday’s explosion and determined work to upgrade gas service didn’t pass inspection, locking the line to ensure it wouldn’t be used and then leaving, officials said. The work underway was to put in a bigger line to serve the entire building.

Fifteen minutes later, the sushi restaurant’s owner smelled gas and called the landlord, who called the general contractor, Chief of Detectives Robert Boyce said. Nobody called 911 or Con Ed.