The 24-year-old Ipswich frontman, who is currently on loan at Derby, was hurt in a collision with defender Stepan Chaloupek just two minutes after his introduction as an extra-time substitute at the Fortuna Arena, sparking concerned medics to rush to his aid.

Ireland led 2-0 at the Fortuna Arena before conceding a late equaliser.

The 36-year-old made his senior Republic of Ireland debut more than 14 years ago.

Ireland went ahead on the cusp of half-time after Ferguson headed in a cross to score his fourth international goal.