Complex sentence: On 23 August 2012, a severe accident happened on Ljubljana Marshes, with several people dead and a number of severely burned and injured, prompting the Slovene Civil Aviation Agency to temporarily ban all commercial balloon flights in the country.
Split into simpler sentences: On 23 August 2012, a severe accident happened on Ljubljana Marshes, with several people dead and a number of severely burned and injured. The Slovene Civil Aviation Agency temporarily banned all commercial balloon flights in the country.