Complex sentence: It was one of Australia's most serious natural disasters, killing 13 people and injuring more than 160 others, and the damage bill has been estimated at AUD $4 billion (including an insured loss of about $1 billion).
Split into simpler sentences: It was one of Australia's most serious natural disasters, killing 13 people and injuring more than 160. The damage bill has been estimated at AUD $4 billion (including an insured loss of about $1 billion).