( CNN ) -- A loft office collapsed at a Colorado Salvation Army thrift store , sending debris onto people below and launching a frantic search for someone who may have been missing , authorities said Friday . The second-story loft collapsed around 3 p.m. , when 22 people were in the thrift store and warehouse complex in Grand Junction , fire department spokesman Mike Page told CNN . Authorities initially believed one person may have been missing , but later learned that everybody had made it out of the building . The search took several hours because of the large quantity of rubble that was being removed by hand , Page said . Police dogs were assisting with the search . Rescuers used thermal imaging at the facility on Ute Avenue , Page said . Teams drilled a hole into the wall on the opposite side of the building to continue the search operation . Michele Mahoney , who works at a nearby business , said she heard a loud noise around 3:15 p.m. and came outside to discover a chaotic scene . Dan Wilson of the Salvation Army said staff at the store assisted after the collapse . `` I am proud of our employees and how they responded , '' he said . `` They helped a couple customers and got everybody out of the building in a safe and orderly manner . '' CNN 's Greg Morrison contributed to this report .
NEW : The Salvation Army says staff members helped customers get out . A man who was shot in the head at a New York City deli is recovering after being rushed to an area hospital, police said. Canines are brought in to assist in the search .