Complex sentence: Australia crashed out of Champions Trophy 2013 in the group stages and as a preemptive measure ahead of upcoming Ashes series in England, Mickey Arthur was sacked and his replacement has been announced as Darren Lehmann.
Split into simpler sentences: Australia crashed out of Champions Trophy 2013 in the group stages. As a preemptive measure ahead of upcoming Ashes series in England, Mickey Arthur was sacked and replaced by Darren Lehmann.