article_snippet: Nicholas Figueroa's family endured an agonizing wait for information on Thursday after searching every hospital in the city.
article_snippet: Firefighters look out of the windows of damaged buildings during as the search for  people missing in the disaster continued .
article_snippet: Emergency workers have been looking through the rubble for signs of the two men who have been missing since Thursday.
article_snippet: Looking: Emergency workers have been looking through the rubble for signs of the two men who have been missing since Thursday's blast, The explosion and subsequent fire leveled three buildings .
article_snippet: Authorities and the men's families have been searching for the men tirelessly.
article_snippet: Police have been using search dogs in the recovery efforts.
article_snippet: Robert Boyce, the department's chief of detectives, told the Times that police received initial reports of about 42 people who might be missing.
article_snippet: Four of about 42 people who might be missing remain in critical condition.