Hariri was a friend to Hizbollah. Siniora was an enemy to Hizbollah. During the 2006 war when Israel bombed apartment blocks in Beruit and civilian targets all over Lebanon, Siniora ordered the Lebanese military no to defend Lebanon. We have seen Mossad style assassinations all over the mideast lately. The assassination of Hariri was an obvious Mossad job.
Egypt to hold parliamentary election in 2 phases starting Oct 18-19 (Reuters)
from the article: Saudis urge Lebanon PM to accept compromise with Hezbollah