La Liga leaders Barcelona conceded twice in two minutes in a dramatic finish to draw against Celta Vigo after Marc Casado was sent off.

Captain Raphinha opened the scoring for Barca – the former Leeds United man’s 13th goal in all competitions this season – after driving into the penalty area before finishing.

Celta were lively throughout and had a strong appeal to wave away a penalty just before half-time when Iago Aspas went down in the penalty area following a challenge from Gerard Martin, who had already been shown a yellow card.

Former Liverpool striker Aspas was furious at the decision not to award a penalty and was shown a yellow card for protesting.

Barcelona thought they had secured the points when Raphinha, who also hit the post, turned provider for Robert Lewandowski to score his 15th La Liga goal of the season.

But in a dramatic finish, Casado was sent off for a second booking in the 82nd minute, before Alfon Gonzalez pulled one back for Celta two minutes later.

Then Hugo Alvarez struck in the 86th minute to give the hosts a deserved point.

Real Madrid will cut Barcelona’s lead to four points if they win at Leganes on Sunday (kick-off 5.30pm GMT).