The IDF responded to wave of rockets by striking at the sources of fire.
The DM said that in light of the increasing likelihood of war in the North, Haifa needs to make more comprehensive preparations.
The attack comes less than two hours after the last strike.
The report of the deaths comes moments after the Lebanon-based terror group fired rockets into northern Israel, most notably towards Arab al-Aramshe.
Hezbollah's position is that it will fire rockets at Israel until there is a full ceasefire in Gaza. Hezbollah's rejection of the proposals presented by Hochstein has not been previously reported.
A missile fired at Kfar Yuval struck a house, killing two people.
It is the largest lathe and weapons manufacturing site that the IDF has found anywhere in Gaza.