Extra time is being played in the African Nations Cup quarter-final between Morocco and Algeria here on Sunday after it ended 1-1 in normal time.
If the teams are still level after the additional 30 minutes the game will be decided by penalties.
Algeria's Abdelmalek Cherrad broke the deadlock with an 84th minute goal with Marouane Chammakh scoring the equaliser deep into injury time.
The eventual winners will face Mali for a place in the final.
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