A number of supporters have been hospitalised, with officials reporting at least six fatalities following what observers described as a "stampede" prior to Cameroon's Africa Cup of Nations clash with Comoros.
The hosts are looking to book their place in the quarter final with a win over minnows Comoros, who are the lowest ranked side to qualify through the group stages.
However, prior to kick off at The Paul Biya Stadium in Olembe, reports have surfaced suggesting fans were involved in a crush as they attempted to make their way into the stadium.
The 60,000 capacity stadium, which hosted the tournament's opening ceremony was built in preparation for the delayed tournament, which kicked off earlier this month.
Several eye-witness accounts claim the incident occurred by the entrance to the stadium, with reports of up to 40 injuries, including children that were crushed in the fracas.
The Associated Press have reported that officials have said at least six people have died in the tragedy.
Despite the chaos outside the stadium, the match did kick off on time with 132nd in the world Comoros reduced to ten men after just seven minutes.
Najdim Abdou was dismissed in the opening exchanges after stomping on Moumi Ngamaleu's ankle from behind.
Cameroon then took the lead shortly before the half-hour mark, with Karl Toko Ekambi putting them in front, before Vincent Aboubakar scored a second with twenty minutes remaining.
Youssouf M'Changmama then halved the arrears with nine minutes to go, but Cameroon held on to book their spot in Saturday's quarter final against Gambia.
Comoros had the worst possible preparation for the game, as they take on the Indomitable Lions without an established goalkeeper.
A Covid-19 outbreak in the Comoros camp saw all three keepers ruled out with left-back Chaker Alhadur forced to go in between the sticks.