Borussia Dortmund have struck the woodwork twice at the Etihad Stadium, as they are holding Manchester City to a goalless draw in the Champions League.

The Premier League champions almost got off to the perfect start in the very first minute when Samir Nasri forced Dortmund goalkeeper Roman Weidenfeller into making a good save.

Six minutes later it was the turn of the German champions to have a crack at goal, as Robert Lewandowski's header from a Lukasz Piszczek cross went over the City crossbar.

Moments later Roberto Mancini's side created a good chance with David Silva and Sergio Aguero combining, only for Weidenfeller to make a good save.

City got a big scare in the 12th minute when Lewandowski, Mario Gotze and Marco Reus combined, with Gotze eventually taking a shot at goal that Joe Hart pushed onto his post and out for a corner.

Dortmund continued to play their hugely attacking and pressing game, with the hosts making runs at the Bundesliga champions' defence as well.

However, the next clear-cut chance of the contest fell to City in the 28th minute with Silva feeding Aguero, but Weidenfeller made a good save in keeping out the Argentine striker's shot.

The City duo once again combined in the 35th minute, with Aguero forcing Weidenfeller into conceding a corner with a fierce shot from outside the penalty area.

A minute later Neven Subotic tried his luck with a long-range effort that went narrowly wide of the City goal.

Hart was then called into action as he made two important saves inside a minute, first denying Gotze from just yards out before pushing the German playmaker's ferocious shot on to the bar and out for a corner.

Silva could have then given the Citizens the lead on the stroke of half-time, but he failed to find the target from just yards out, before Hart made another important save in injury time from an Ilkay Gundogan attempt.