DETROIT, Mich (WLMI)  Gunfire erupts at a Detroit police station, injuring four officers and leaving the gunman dead.  It happened around 4-30 yesterday afternoon at a precinct on the city’s northwest side.  According to reports, a man entered the precinct and started shooting.  The unidentified suspect was finally shot dead, but not until he wounded four officers.  All are expected to survive—a motive hasn’t been released.