The FBI is investigating whether the attack was terror-related, WJRT reported.
A law enforcement official, who spoke on the condition of anonymity, told The Associated Press that witnesses reported hearing the suspect saying "Allahu akbar," the Islamic phrase for "God is great" during the attack.
A witness told MLive.com that he saw an officer bleeding at the airport before it was evacuated around 9:40 a.m. local time.
"The cop was on his hands and knees bleeding from his neck," witness Ken brown told the news website. "I said they need to get him a towel."
Michigan State Police identified the injured officer as Lt. Jeff Neville, according to MLive.com.
No other injuries were reported.