Complex sentence: The election was necessitated following the resignation of President Abdullahi Yusuf Ahmed on 29 December 2008, over the dismissal of the government of Prime Minister Nur Hassan Hussein which was not approved by the Transitional Federal Parliament.
Split into simpler sentences: The election was necessitated following the resignation of President Abdullahi Yusuf Ahmed on 29 December 2008. He resigned over the dismissal of the government of Prime Minister Nur Hassan Hussein which was not approved by the Transitional Federal Parliament.