A water main broke at a construction site at Hudson and Leonard streets, the FDNY said.
Oscar Hernandez, 15, was pulled from the rubble after two East Harlem buildings exploded in March.
The dead included a mom and her chef daughter, a musician, a dental assistant, and CUNY guard.
Tests shows an unusually high concentraion of natural gas in the soil in and around the explosion site.
Con Ed's John McAvoy said the call minutes before the blast didn't "indicate urgency."
The planned East 14th Street storefront has been delayed by gas line issues.
The water covered Jackson and Leonard Streets about 9:10 a.m. Tuesday.
A power outage Tuesday forced New York Harbor School to temporarily relocate to Stuyvesant High School.
West 93rd Street between Riverside Drive and West End Avenue was closed to traffic Monday.
Scammers are stealing money from Brooklyn businesses through an elaborate debit card scam, police say.
Part of Sixth Avenue was closed after the voltage spread to doorknobs and street grates, officials said.
Salt and snow corroded underground cables, leaving the neighborhoods with reduced capacity, Con Ed said.
The burglars have hit four SoHo shops in the past week, police said.
The water main has been fixed, the DEP said.
Fifth Avenue will remain closed between 12th and 14th streets for several days, officials said.
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