About five people were injured in the incident, with one Palestinian security officer in severe condition after being shot in the head.
Last week, the Hamas-affiliated Islamic Bloc won in the elections for the student council at An-Najah University in Nablus, the largest Palestinian university in the West Bank.
The Palestinian Authority is not looking for a quick fix, or a delay, but rather an end to settlement activity
Similar conspiracy theories were spread after the death of PLO leader Yasser Arafat, although a French investigation found no evidence of foul play.