'At the moment we just want to concentrate on having a good tournament. It's very difficult for the team managers to convince, if somebody wants to leave,' the official added.

Koch and Zauner Wednesday gave a walkover to sixth-seeded Danish pair Mathias Boe and Carsten Mogensen in the men's doubles second round.

Another Austrian player Michael Lahnsteiner and a coach, however, preferred to stay back.

The England team had withdrawn Sunday citing security reasons and since then the security has been unprecedented.