Israel says 422 rockets fired from Gaza into Israel in past two days . Warplanes bomb sites in Gaza City overnight . Israeli Prime Minister Benjamin Netanyahu was in the building at the time of the evacuation , ministry officials said . Both sides tweet photos of children struck by the violence . The Israeli military said it hit more than 100 targets and that its strikes were aimed at "terrorist infrastructure" -- a reference to Hamas' rocket arsenal.
Israel says 422 rockets fired from Gaza into Israel in past two days . Warplanes bomb sites in Gaza City overnight . Both sides tweet photos of children struck by the violence . The Israeli military said it hit more than 100 targets and that its strikes were aimed at "terrorist infrastructure" -- a reference to Hamas' rocket arsenal.