You clearly are very confused. Hariri was not a friend of Hezbollah - you need to start paying attention to what people do, not what they say. How would anybody have known that the consequence of Harir's killing would be the election of Siniora's bloc.
Knesset approves 2015-16 state budget in first reading (Haaretz)
from the article: Saudis urge Lebanon PM to accept compromise with Hezbollah