Casualties and attacks in the Israel-Hamas conflict:
_ The Israeli military has killed 19 Palestinians, both militants and civilians, in Gaza.
_ A rocket fired from Gaza killed three Israeli civilians on Thursday.
_ Three rockets targeted Tel Aviv, Israel's population center, for the first time. None caused casualties or damage.
_ Gaza militants have fired around 450 rockets at Israel since the start of the operation.
_ Israel says its Iron Dome missile defense system has intercepted about 130 rockets.
_ The Israeli military says it has hit more than 340 targets.