Arsenal will replay their FA Cup Third Round tie after a breathless 2-2 draw away to Swansea City on Sunday.
The Swans had grabbed the lead through Michu in the 58th minute but Lukas Podolski drew things level with nine minutes to go.
Kieran Gibbs thought that he had secured victory with a goal in the 84th minute but Danny Graham equalised three minutes later.
The hosts had the first chance in the 13th minute when Graham held off Per Mertesacker before firing at the near post but Wojciech Szczesny made a good save.
Nathan Dyer then gifted the ball to the visitors in the 35th minute and Gibbs picked out Santi Cazorla but the Spaniard whistled his shot over the crossbar.
Kyle Bartley hit the crossbar with a header in the 36th minute as the game went into the break goalless.
Olivier Giroud saw his 25-yard drive kept out by the legs of Michel Vorm while Aaron Ramsey saw his penalty appeal turned down.
Arsenal continued to attack but substitute Michu made an instant impact when he collected a loose ball and left Mertesacker for dead before firing a low finish at goal.
Theo Walcott flashed a shot across the face of goal but six minutes later Podolski turned a ball into the area home to equalise.
The visitors were flying and soon after Gibbs combined brilliantly with Giroud before volleying home.
The Swans were not ready to give up though and Graham provided a brilliant finish with three minutes to go as the game was drawn.
The Gunners could have grabbed a late winner but Vorm pulled off a superb save in stoppage time to ensure that the game would be replayed.