Israeli bombs level Hamas foreign ministry , two other buildings , source says . Score: 6 Tehran declares day of mourning as protests erupt in Europe , Mideast . Israel , Hamas blame each other for violating Egyptian-brokered cease-fire .
Israeli bombs level Hamas foreign ministry , two other buildings , source says . Barak : Israel in 'all-out war ' with Hamas . Tehran declares day of mourning as protests erupt in Europe , Mideast . Israel , Hamas blame each other for violating Egyptian-brokered cease-fire .