A Hakan Calhanoglu penalty gave Inter Milan a 1-0 victory over Arsenal in the Champions League on Wednesday, while a 93rd-minute winner ensured Atletico Madrid left Paris with all three points.

Inter snatched a 1-0 victory over Arsenal in the headlining act of Wednesday's UEFA Champions League action, handing the English side their first defeat of the competition in the process. The game's lone goal came in first-half stoppage time when Hakan Calhanoglu converted a penalty that was awarded after Arsenal's Mikel Merino was called for a handball.

ESPN brings you live analysis and updates from Matchday 4 of the Champions League as Inter Milan play Arsenal and PSG host Atlético Madrid.

UEFA Champions League matches delivered high drama and intense battles as Inter Milan, Barcelona, Atlético Madrid, and Bayern Munich all secured crucial wins to progress in the league phase. Inter Milan clinched a 1-0 victory over Arsenal, with Hakan Çalhanoğlu’s penalty proving the difference.

Robert Lewandowski hit a brace as Barcelona recorded an impressive 5-2 win over Red Star. The home side had the ball in the back of the net after just three minutes, but the attempt was ruled out for offside.