Residents smelled gas and immediately called 911 and firefighters evacuated all 20 apartments.
A spokesman for Barneys said the unauthorized connection with pre-existing and unrelated to their renovation.
Motorists continue to see lower prices at the pumps in New Jersey.
Twenty-two people were injured, four critically, after the powerful blast and fire sent flames soaring and debris flying Thursday afternoon. Six members of the FDNY were hurt in the operation.
A memorial service Thursday is commemorating the one-year anniversary of a gas explosion in East Harlem that leveled two buildings and killed eight people.
Investigators say natural gas leaking from an underground main traveled into a New Jersey house, built up in its basement and exploded when it came in contact with an open flame from an appliance in the house.
Con Edison said it is restoring gas to buildings on the Pace University campus after a gas leak forced students to evacuate on Wednesday.
There were anxious faces at the Mobile gas station on Eleventh Avenue as people looked to fill up in case stations run out of fuel.
Gas prices are falling so low that traffic backups are building up at spots with the biggest bargains in New Jersey.
Ford said Friday that its new aluminum-bodied F-150 pickup will get up to 26 mpg on the highway, making it the most fuel efficient gas-powered full-size pickup.
Residents of an apartment building in Brownsville, Brooklyn marched to the building owner’s office in protest Thursday, after going with no gas and electric a week.
AAA Mid-Atlantic says a gallon of unleaded gasoline rose to $3.68 last week.
A Bergen County gas station is under investigation for allegedly selling contaminated fuel.
Community and religious leaders held a moment of silence at 9:31 a.m. Wednesday to mark the passing of one week since the explosion.
The medical examiner said the seven victims died from either blunt trauma or smoke inhalation and classified their deaths as accidents. Results were still pending on the eighth victim.