An unspecified number of people are missing after two buildings collapsed in New York, dpa ctied Mayor Bill de Blasio as saying. "There's a tremendous amount of anxiety, but suffice it to say that every effort is being made to locate these individuals," he told reporters. New York Fire Department Commissioner Salvatore Cassano said 250 firefighters are working to extinguish the blaze before the search for the missing people can begin. -- SPA 19:50 LOCAL TIME 16:50 GMT تغريد