Last Updated: 27/01/12 5:56pm
That's it! Tunisia are on the verge of a quarter-final berth while Niger look set to head home at the end of the group stages as they remain bottom of Group C. It's less than they deserve given their performance tonight, but I guess that's football. Hope you've enjoyed, I'm Ryan Gordon wishing you a pleasant remainder of your evening. Cheers all!
Very, very cruel on the Nigeriens, but they've had their chances. Issam Jemaa is played on-side by some slack defending, and the substitute cuts inside before losing his marker and rifling his ball low past the keeper. Four minutes of added time will be played at the end, and we're into the first two of those already.
Niger are really piling on the pressure in the closing stages, and Maazou, for the umpteenth time, is through on goal, but this time he's on his wrong foot and instead of maybe trying to pick out a team-mate he goes for goal from a tight angle, but Aymen Mathlouthi was equal to it, and rightfully so. Meanwhile, another change for Mena as Laouali comes on for Issoufou Boubacar.
This game really could still go either way, although Mena will have to seriously work on their shooting if they hope to snatch the win here. Abdoul Karim Lancina has a pop at goal from a free-kick a good 30-yards out, but his low daisy-cutter is straight at the keeper who gathers well. Eight minutes of normal time remain.
Niger made their first change of the match recently, with Daouda Kamilou coming on for William Tonji Ngounou, who goes home with the honour of having scored the country's first-ever AFCON goal.
Worrying signs for Niger now as Yassine Chikhaoui goes down clutching his shoulder. He looks in some pain here, but after some time on the ground he decides he's ready to continue.
Niger have just started to step it up in the last couple of minutes and are playing some pretty enterprising football. Their finishing, however, is leaving much to be desired and several good chances have been blazed well over.
The play is becoming increasingly bogged down in the midfield at the moment as both sides struggle to create any clear-cut chances up front. Tunisia might just be edging it in terms of possession, but as we've seen it only takes a second to score. As I write this the Eagles go within inches of regaining the lead, only for Aymen Abdennour's stinging long-range drive to cannon off the woodwork. Up at the other end and Moussa Maazou is once more clean through on goal, but again Aymen Mathlouthi is off his line in a flash and clears well.
Mohamed Karim writes: Niger is all over them in this game! Mena into the quarter-finals a possibility now! 2-1!
The Carthage Eagles have been biding their time in the second-half, and they almost find a way back into the lead as a well-worked counter attack ends with Darragi being played through on goal, but Daouda Kassaly is quick off his line and just gets to the ball ahead of the striker.
Mejdi Traoui becomes the second Tunisian to be booked, following in the footsteps of Bilel Ifa who was yellow carded earlier.
Niger's goal scorer Tonji Ngounou is down after taking a painful knock to the back of his head. The medical staff are called into action and he's soon all patched up. Meanwhile, Tunisia make their second change of the evening with Darragi coming on for Zouhair Dhaouadi.
Tunisia made just one change at the break, with Issam Jemaa coming on for Amine Chermiti. The former was expected to miss the group stages with injury, so his introduction comes as a big boost to the Carthage Eagles.
Big calls for a penalty in the closing stages here. Hagui appears to get in the way of Maazou who had cut inside the area at pace, but the referee is right there and waves play on. That moment proved to be the last piece of action for the half though and the players head down the tunnel. Join me after the break for the second-half.
The fourth official raises his board and shows we will have two minutes of additional time added on in the first-half.
Tunisia are still looking strong in the midfield and push the ball around well in possession, but they appear to be running out of ideas in the final third and Niger goalkeeper Daouda Kassaly has remained largely untested.
Niger have been completely on top in the last couple of minutes, and Issoufou Boubacar almost put his side in the lead after cutting in from wide and unleashing a dipping drive from the corner of the box, but his effort just clipped the base of the post before going out.
How are Niger not ahead? Moussa Maazou, who has been the side's most likely outlet for goals today, shows a blistering turn of pace to leave his marker choking in the dust. He continues on with the ball into the area before opening his body to roll the ball into the bottom corner, but his effort dribbles agonisingly wide of Aymen Mathlouthi's post.
The tempo is still frantic as the play makes its way from one side of the field to the other at equal intervals. Niger are clearly employing the counter-attack as their main strategy today, and it's almost worked a couple of times, although the front two are being caught off-side far too often for coach Harouna Doula's liking.
Stephen from South Africa is hopeful of Niger's chances, but realistic too. He writes in: Hi Ryan, Mena are doing well to keep themselves in this and could possibly sneak something here, but Tunisia might just be too strong.
Niger just don't seem to have an answer for Msakni at times and the striker is having the run of the park at the moment. We've got a break in play now as a Niger defender is down after clashing in the area. He's up and about though and will be okay to soldier on.
It's still end-to-end stuff here in Libreville. Firstly, Youssef Msakni picks up the ball inside the area before curling his shot goalwards, but he can't keep his head down and the ball sails just over the crossbar. Right up at the other end and Moussa Maazou looks to be clean through on goal, but he takes an extra touch when rather he should have shot, and the resulting effort was a scorched drive past the angle. Thrilling stuff.
Niger's response? Instant. A hopeful long ball over the top has a truck load of spin on it and leaves the Tunisia goalkeeper scrambling to collect. Yacouba Ali jumps to challenge the goalkeeper, and there's a suspicion of hand-ball, but either way the keeper loses control and the ball is headed home by William Tonji Ngounou. The Tunisians appeal frantically, but the referee is not interested and the goal stands.
It's been pretty full-blooded right from the off, but it's Tunisia who have stormed into the lead, and my word it is some individual goal from Youssef Msakni. The striker picks up the ball near the half-way line before ghosting past a handful of defenders and rolling the ball home past the goalkeeper. Sensational.
The two teams are out on the field and get the customary handshakes out of the way. We're just moments away from kick-off, and I for one am really looking forward to it.
Tunisia, meanwhile, make just two changes to their Morocco-slaying team, with Sami Allagui and Saber Khelifa making way for striker Amine Chermiti and Youssef Msakni. The latter was very sprightly for Mena in their opener and should be really up for this one.
So, Niger make no fewer than five changes to the side that lost to Gabon, with Abdoul Kader, Boubacar Djibo Talatou, Sulliman Mazadou, Issoufou Talatou and, surprisingly, captain Laouali Idrissa all booted out the starting XI. That means Jimmy Bulus, Harouna Olivier Bonnes, Dankwae Kofi, William Tonji Ngounou and Yacouba Syydou Ali all come in and will be looking to repay the faith shown in them by the coach.
Niger: Daouda Kassaly, immy Bulus, Mohamed Chicoto, Koffi Dankwa, Mohamed Soumaila, Abdoul Karim Lancina, Olivier Bonnes, William Tonji Ngounou, Issoufou Boubacar, Yacouba Ali, Moussa Maazou
Tunisia: Aymen Mathlouthi, Aymen Abdennour, Karim Haggui, Bilel Ifa, Ammar Jemal, Khaled Korbi, Mejdi Traoui, Yassine Chikhaoui, Zouhair Dhaouadi, Amine Chermiti, Youssef Msakni
We're still waiting for confirmation on the team sheets, so why not take the time to get involved by emailing your own thoughts, predictions or footballing whatevers to firstname.lastname@example.org and I'll print them right here for all to see.
The odds aren't looking too good for Niger though and our friends at Sky Bet have put Mena at 8/1 to cause an upset this evening, while Tunisia are 4/11 favourites with hitman Amine Chermiti 3/1 to open the scoring.
Any way you look at it though, there's still only six quarter-final spots left up for grabs as co-hosts Equaotrial Guinea and Cote d'Iviore have both already booked their places in the last-eight, each with a group game to spare.
Niger, though, will be desperate to collect all the points as defeat in Libreville would effectively bring an end to their 2012 AFCON dreams, given their 2-0 defeat in the opener against Gabon.
Tunisia already have one foot in the quarter-finals following their opening Group C victory over rivals Morocco, and a win tonight would all but secure the Carthage Eagles' progression to the first knockout stage.