Hezbollah and Israel unleashed heavy fire on Sunday, with rockets striking deep into northern Israel after intense bombardment. br br Several buildings were struck, including a house near Haifa. Rescue teams treated the wounded but there were no reports of deaths. br br Hezbollah’s deputy leader declared, "We have entered a new phase—an open-ended battle of reckoning." br br As tensions soar, both sides brace for a long conflict.