Arsenal expect to discover on Tuesday the full extent of Theo Walcott's knee problem, but the England forward will not face any disciplinary action from the Football Association for his '2-0' gesture towards Tottenham fans.

Walcott was deployed in a central attacking role for the FA Cup third-round tie against Spurs at the Emirates Stadium, but was carried off on a stretcher after jarring his knee when making a tackle during the closing stages - and subsequently pelted by objects thrown from the away end.

The Arsenal forward responded with '2-0' hand gesture in the direction of the 5,000-strong away section, as missiles, including coins and plastic bottles, were seen to hit medical staff as they carried the stretcher around to the tunnel on the half-way line.