Complex sentence: Australia were due to play in the 2008 ICC Champions Trophy in Pakistan between September 12 and September 28, however due to security concerns from several nations, the tournament was postponed until October 2009.
Split into simpler sentences: Australia were due to play in the 2008 ICC Champions Trophy in Pakistan between September 12 and September 28. However due to security concerns from several nations, the tournament was postponed until October 2009.