According to the governor of the region, there may be more victims, states AP.
According to the organizer, around 50,000 people tried to enter the arena, which was inaugurated as late as last autumn and has a capacity of 60,000 spectators.
No information about the tragedy appeared during the TV broadcast from the match.
The nearby Messassi Hospital has received at least 40 injured people.
- For some of the injured, the condition is critical.
We will transfer them to a specialist hospital, says nurse Olinga Prudence.
The match was played in front of the home fans at the Stade Paul Biya on the outskirts of Cameroon's capital Yaounde.