The loss to Switzerland means their hopes of reaching Qatar are all but over.
Northern Ireland boss Ian Baraclough says he's "annoyed and appalled" about the red card Jamal Lewis received in a 2-nil World Cup qualifying defeat in Switzerland.
The defender was shown a second yellow card for time wasting on a throw-in.
It was goalless at the time - and the loss means their hopes of reaching Qatar are all but over.
Elsewhere, England were 5-0 winners over Andorra.
Scott McTominay scored a late winner for Scotland as they beat Israel 3-2.

Mo Salah's Liverpool Future Could Be Decided Today
Leinster Look To Go Two From Two In The Champions Cup Tonight
Friday Morning Sports Update
Kildare's Lauren Walsh Prepare's For LPGA Tour After Winning Full Time Card
The PDC World Darts Championship Gets Underway Tonight
Reiko Ioane Starts For Leinster For The First Time Tomorrow
Rory McIlroy Among Six Nominees For The BBC's Sports Personality Of The Year
Thursday Morning Sports Update