PORT-AU-PRINCE, Haiti — Haiti’s National Police faced mounting criticism Thursday over why authorities failed to prevent a recent gang attack in which 47 people were killed and more than 50 kidnapped. Police spokesperson Garry Desrosiers took only a handful of questions from journalists at a news conference Thursday, just days after gangs attacked Kenscoff, a once-peaceful farming community nestled in the hills near Port-au-Prince. Asked what police are planning to do about those kidnapped, Desrosiers said he could not answer that question publicly. “We cannot talk about any plans,” he said. One gang leader has threatened to execute all the hostages if any gang members are killed as police work to secure Kenscoff. Desrosiers expressed condolences to all those affected by the violent attack launched late Sunday. New burst of violence leaves Haitians homeless More than 2,600 people were displaced, according to the U.N. International Organization for Migration, and anger and frustration are mounting. Desrosiers said police are working on helping them return home, but he did not provide