article_snippet.sent: son Nicholas, 23, died in a gas explosion on New York City's Second Avenue .
article_snippet.sent: The young man and recent college graduate was paying the bill on a blind date at a sushi restaurant when three buildings in New York's East Village were destroyed .
article_snippet.sent: However, nearly one month after the blast that killed Nicholas when Nicholas was on a blind date at a sushi bar, answers about what exactly happened in a gas explosion on New York City's Second Avenue remain unclear.
article_snippet.sent: A wall has been placed around the site of the explosion, which destroyed buildings at the corner of Second Avenue and Seventh Street and damaged windows on one adjacent .
article_snippet.sent: Smoke from the fire was visible from around New York City as firefighters worked to combat the blaze on March 26 .
article_snippet.sent: The sidewalk near the site on Second Avenue had been closed to pedestrians for weeks following the explosion before reopening .