Complex sentence: In 1988 and 1989, Saudi Hizballah led a couple of attacks on oil infrastructure and also murdered Saudi diplomats in Ankara, Bangkok, and Karachi; in 1996 its adherents participated in the bombing in the Saudi city of al-Khubar.
Split into simpler sentences: In 1988 and 1989, Saudi Hizballah led a couple of attacks on oil infrastructure and also murdered Saudi diplomats in Ankara, Bangkok, and Karachi. In 1996 bombed bombing in the Saudi city of al-Khubar.