A three-story building at 1321 Flatbush Avenue in Brooklyn collapsed into a construction site at 2625 Bedford Avenue.^[1] It happened just after 4 p.m.^[2] At least two people died.^[3] The building collapsed completely, and the side of the one beside it, 1323 Flatbush Avenue, was torn off.^[4] The injured The counts were still moving when these reports were filed. CBS New York reported two dead and at least 17 injured, seven of them children.^[5] WABC reported at least 13 injured.^[6] UPI reported at least 10.^[7] Two outlets agree on the most serious cases: four people are in critical condition.^[8] One firefighter received minor injuries.^[9] The search The Fire Department does not know how many people were inside the building when it fell.^[10] It is running a major technical rescue operation.^[11] Rescuers pulled one survivor from the rubble at about 6:15 p.m., more than two hours after the collapse.^[12] Crews are using drones, buckets and vacuum trucks.^[13] Fire officials warned of the risk of a secondary collapse.^[14] The site next door The cause is not known.^[15] The New York City Department of Buildings is investigating.^[16] Its inspectors are at the scene.^[17] The adjacent construction site had a work violation that was resolved in October.^[18] No report says the violation is connected to the collapse. The residents The city's emergency management agency and the Red Cross opened a reception center for displaced residents at the Flatbush YMCA.^[19] Police asked the public to avoid the area around Flatbush and Bedford avenues.^[20]