All passengers were safe, the airport said in a brief statement on its Facebook page. The officer who was stabbed is Lieutenant Jeff Neville of the Bishop International Airport Department of Public Safety, Michigan State Police spokeswoman Lori Dougovito said by telephone.
Neville underwent surgery after the attack and is stable, Dougovito said. Asked if the stabbing was under investigation as possible terrorism, the government official, who asked not be named, said "yes."