Results:
Angola 3-2 Togo
Cameroon 2-0 DR Congo Goalflashes and major incidents (all times GMT):
1858: Full-time Cameroon 2-0 DR Congo The final whistle goes - meaning Cameroon finish top of Group B with nine points after three games. DR Congo go through on goal difference, claiming second place with Angola third and Togo fourth.
1856: The sting has gone out of the game, with Cameroon seemingly happy to pass the ball round in their own half - something DR Congo are more then happy to allow.
1855: The 90-minute mark in the match between Cameroon and DR Congo. There are four minutes of injury-time for DR Congo to survive without conceding if they are to qualify in second place behind the Indomitable Lions.
1851: Full-time Angola 3-2 Togo Angola have beaten Togo and finish with four points. They must now rely on Cameroon scoring against DR Congo in the other game of they are to snatch second place from the Simbas. Togo finish the tournament with three defeats.
1847: There are four minutes of injury-time in the game between Angola and Togo - but only 82 minutes gone in the other fixture.
1845: Achille Webo hits the crossbar with a volley from a cross at the near post. Had that gone in it would have been Angola and not DR Congo would have been in second place in the group standings.
1842: GOAL Angola 3-2 Togo
Maurito puts Angola ahead with a strike from just inside the penalty area. There are five minutes left in their game with Togo. Angola still need to score - or hope Cameroon score another against DR Congo - if they are to progress.
1835: RED CARD
Gladys Bokese is quite rightly sent from the field. He challenges Achille Webo - the two players tangle on the floor but the DR Congo player stupidly kicks the Cameroon player in the chest. It is another dramatic twist in an engrossing evening's football.
1834: Lomana LuaLua gets between the two Cameroon central defenders but heads over the crossbar.
1831: DR Congo keeper Pascal Kalemba is lucky to escape with a yellow card after rushing out of his goal and clipping Achille Webo.
1827: Togo goalkeeper Ouro-Nimini Tchangirou makes two brilliant save in a matter of seconds to deny Figueiredo and Andre. Angola bring on a striker for a defender - Love for Loco.
1823: GOAL Angola 2-2 Togo
Cherif Toure Mamam equalises for Togo, lifting the ball over Joao Ricardo under pressure from Kali. It is terrible news for Angola, whose hopes of qualifying are starting to fade.
1823: The ball breaks to Samuel Eto'o in space but DR Congo keeper Pascal Kalemba almost saves his shot.
1819: Angola keeper Joao Ricardo punches a Junior Senaya free-kick clear with several Togolese players waiting to pounce on any mistakes.
1817: Benfica's Pedro Mantorras comes on for Akwa as Angola look for what could be a vital goal.
1812: Cameroon win a free-kick in a dangerous area. The awesome Samuel Eto'o almost scores his second of the game but his strike rebounds off the crossbar.
1810: The second match, between Cameroon and DR Congo, resumes - a full eight minutes after the other game. DR Congo duo Kambamba Musasa and Mutambo Milambo come on for Marcel Mbayo and Blaise Mbele - clearly coach Claude Le Roy is hoping for an improved performance. Cameroon make one change - Achille Webo replaces Albert Ze Meyong.
1802: The match between Angola and Togo resumes.
1749: Half-time Cameroon 2-0 DR Congo Cameroon are looking likely to top the group - and a last-eight tie against Ivory Coast - but DR Congo's grip on second place is loosening with Angola beating Togo.
1747: Half-time Angola 2-1 Togo Angola are on top against 10-man Togo and now have a real chance of sneaking second place in the group.
1743: Rampant Cameroon are running DR Congo ragged. Pascal Kalemba makes a good save to deny Geremi Njitap.
1738: GOAL Angola 2-1 Togo
Flavio scores from 10 yards with a shot on the turn after Togo fail to clear a cross.
As things stand Cameroon and DR Congo are still going through - but Angola are just a goal away from denying the Simbas.
1733: GOAL Cameroon 2-0 DR Congo
Samuel Eto'o scores his fifth goal of the tournament. His strike on the turn is poor but it hits the post, strikes the keeper on the head and goes into the net.
1733: GOAL Cameroon 1-0 DR Congo
Geremi Njitap scores with a spectacular long-range strike after he is teed-up by Salomon Olembe.
1730: RED CARD
Togo's Kassim Guyazou is dismissed after picking up a second yellow card - both are for deliberate handball.
1730: Chances are at a premium in the match between DR Congo and Cameroon - though as things stand both teams will qualify from their group.
1726: Togo keeper Ouro-Nimini Tchangirou makes a superb finger-tip save, deflecting Flavio's header over his crossbar.
1724: GOAL Angola 1-1 Togo
Kader Coubadja scores after eluding a challenge from Kali and scooping the ball over Joao Ricardo and the covering Angolan defenders. A minute earlier Akwa was through on goal but he was harshly adjudged offside.
1722: Togo's Alaixys Romao fail to find the target with a header from five yards after a cross from Junior Senaya.
1718: Flavio heads over the Togo crossbar after a cross from Delgado. Moments later Akwa beats the goalkeeper but then hits the ball across the face of goal from a tight angle.
1715: DR Congo makes an excellent save to deny Alioum Saidou, whose fierce long-range strike was heading for the bottom corner.
1713: Massamesso Tchangai almost heads Togo level from a corner but is thwarted by a fine diving save from Joao Ricardo.
1709: DR Congo's Zola Matumona tests Cameroon goalkeeper Idriss Carlos Kameni with a long-range strike.
1709: GOAL Angola 1-0 Togo
Flavio scores for Angola with an angled toe poke from eight yards after Togo's attempt to play offside fails.
1707: Togo striker Akwa wastes a great chance, lifting the ball over the crossbar with only Ouro-Nimini Tchangirou to beat.
1705: Cameroon's Benoit Angbwa has the first strike at goal but it is easily saved by Pascal Kalemba.
1700: The two games start - though the Cameroon-DR Congo match begins a minute later than the Angola-Togo contest.
Of the four teams in action only Togo cannot qualify for the quarter-finals.
Cameroon have already qualified. For Angola to qualify they must win, DR Congo must lose and even then goal difference could see the Simbas go through.
1630 GMT: Angola make an attacking change with striker Maurito coming for midfielder Mendonca.
Togo, who cannot qualify for the quarter-finals, make four changes. There is no place in the starting line-up for Arsenal's new striker Emmanuel "Sheyi" Adebayor with Kader Coubadja taking his place.
DR Congo make one change from the team that drew with Angola, Blaise Mbele replacing the suspended Tresor Mputu.
Cameroon coach Artur Jorge, with his team already through to the quarter-finals, make seven changes.
Teams:
Angola: 1-Joao Ricardo, 21-Delgado, 3-Jamba, 5-Kali, 20-Loco, 8-Andre, 13-Edson, 17-Figueiredo, 10-Akwa, 16-Flavio, 15-Maurito.
Togo: 1-Ouro-Nimini Tchangirou, 3-Yaovi Abalo, 20-Ludovic Assemoassa, 8-Abdoul Gafar Mamah, 5-Massamesso Tchangai, 23-Kassim Guyazou, 10-Cherif Toure Mamam, 15-Alaixys Romao, 7-Moustapha Salifou, 18-Junior Senaya, 17- Kader Coubadja.
Referee: Abderrahim al-Arjoune (Morocco).
Cameroon: 1-Idriss Carlos Kameni, 6-Benoit Angbwa, 23-Stephane Bikey, 2-Jean-Hugues Bilayi Ateba, 8-Geremi Fotso Njitap 4-Rigobert Song, 20-Salomon Olembe, 14-Alioum Saidou, 21-Pierre Boya, 9-Samuel Eto'o, 22-Albert Ze Meyong.
DR Congo: 1-Pascal Kalemba, 18-Gladys Bokese, 15-Herita Ilunga, 20-Felicien Kabundi, 7-Christian Fuanda Kinkela, 4-Tshinyama Tshiolola, 10-Zola Matumona, 5-Biscotte Mbala, 11-Marcel Mbayo, 9-Lomana LuaLua, 17-Blaise Mbele.
Referee: Koman Coulibaly (Mali).