Authorities have said they need to interview the victim, who has been released from the hospital.
What caused a Phillipsburg house to blow up?
The question remains officially unanswered two months after the June 4 explosion rocked a Filmore Street neighborhood.
The blast that Saturday afternoon destroyed the homes at 74-76 Filmore Street and damaged others nearby. Police and neighbors reported smelling natural gas afterward, but it has not been officially determined to be the cause. The blast originated in the second floor apartment at 76 Filmore.
Officials previously said the key to the investigation would be interviewing a victim in the explosion, 37-year-old Clay Metzger who suffered burns over half his body.
Metzger was released from Lehigh Valley Hospital in Salisbury Township in mid to late July, a hospital spokeswoman said this week.
Lucky the dog survives P'burg explosion
Fire Chief Rich Hay said he knew Metzger had been released, but not if investigators were able to interview him.
"I know they were making attempts to speak with him," Hay said.
Both he and Elizabethtown Gas referred questions to Phillipsburg police, who in turn deferred to the Warren County Prosecutor's Office. Prosecutor Richard Burke on Wednesday said he did not have any new information to provide.
In a Facebook post dated July 20, Bethlehem-based charity Because of a Dog said they had been contacted by Metzger about his dog Lucky, for whom the organization was helping to care for after the blast. A later post, also shared on the Lucky's Journey Facebook page, showed photos of the man and dog reunited July 22.
Contact information for Metzger could not be found.
While the cause of the blast has not been determined, at least one possibility has been ruled out, according to Phillipsburg Mayor Stephen Ellis.
Investigators determined the gas line connection from the street to the building was not the source, he said. But it is still possible gas could have ignited inside the house.
Steve Novak may be reached at snovak@njadvancemedia.com. Follow him on Twitter @type2supernovak and Facebook. Find lehighvalleylive.com on Facebook.