article_snippet.sent: Investigators have now shifted Investigators focus to what caused the huge explosion, with suggestions someone may have improperly tapped a gas line serving one of the buildings.
article_snippet.sent: The New York Post reported an investigation is now underway into possible gas tapping, with a criminal case expanded to include Haria Hrynenko, the building's landlord.
article_snippet.sent: Fifteen minutes later, Consolidated Edison smelled gas and called the landlord, who called the general contractor, Chief of Detectives Robert Boyce said.
article_snippet.sent: No one called emergency dispatch or Con Ed.
article_snippet.sent: the general contractor, Chief of Detectives Robert Boyce went into the basement and opened a door, and then the explosion happened, burning the general contractor, Chief of Detectives Robert Boyce faces, Robert Boyce said.
article_snippet.sent: Kukic - who's facing unrelated charges of bribing an undercover investigator posing as a housing inspector - declined through Robert Boyce lawyer to comment on the circumstances surrounding the explosion.
highlights_snippet.sent: Investigators are looking into possibility  