A 12-story apartment building near Miami, Florida, partially collapsed Thursday morning, prompting as many as 80 rescue crews to search for survivors from the abrupt incident that left one dead while 51 remain unaccounted for.

The building collapse occurred in the town of Surfside, north of Miami Beach, at around 1:30 a.m., Miami-Dade Fire and Rescue said. Firefighters pulled at least one boy from the rubble, according to photos online. Police have confirmed one fatality from the incident. Roughly 55 apartment units were destroyed, with 35 people rescued from the debris, officials said during a press conference.