Complex sentence: On 26 June 2015 a man reported to be one of the perpetrators was decapitated following an explosion at a gas factory in the area after two men drove into the factory site and exploded gas canisters.
Split into simpler sentences: On 26 June 2015 a man reported to be one of the perpetrators was beheaded at a gas factory in the area. Two men drove into the factory site and exploded gas canisters.