Salomon Kalou was on target for Ivory Coast against Serbia

Ivory Coast beat Serbia 4-2 to keep alive their hopes of reaching the quarter-finals of the Beijing Olympics.

Sekou Cisse gave the Ivorians an early lead, Milan Mrdakovic then equalised in the 16th minute before Serb Slobodan Rajkovic headed into his own net.

Salomon Kalou added a third goal for the Ivory Coast in the 69th minute.

Djordje Rakic scored a second for Serbia with a minute to go but the Ivorians added a fourth in injury time through Gervinho.

The Ivory Coast's final group game is on 13 August against Australia, who lost their second game 1-0 to Argentina on Sunday.

The results mean Argentina have clinched a place in the quarter-finals they top the group with six points, the Ivory Coast are second with three points,

Both Serbia and Australia have a point each.