Complex sentence: The North Africa Post later reported that the chemical weapons was stolen by armed men who stormed the chemical factory in the Jufra district where they are stored and that military sources stated that among the chemical weapons are mustard gas and sarin.
Split into simpler sentences: The North Africa Post later reported that chemical weapons were stolen by armed men who stormed the chemical factory in the Jufra district where the weapons were stored. Military sources reportedly stated that among the chemical weapons are mustard gas and sarin.