20 minutes ago there was a bus bombing in the north (near Meron). It was a large explosion; now word on casualties as yet.

Update: "The roof of the bus was blown off". The bus was going from Haifa to Tzefat via Arab villages in the Galil. Initial estimate is 30 casualities.
More here.

PA official Ahmed Abdel Rahman says on al-Jazeera that he "understands" the bombing (report).

Update: Latest is 9 dead. 45 injured. (report)