According to Israel, the building was targeted because it housed Hamas's offices, in addition to the residential apartments. The phone call, like the one with Nasman, was to warn civilians to leave the building and area.
This past week has seen the largest escalation of fighting between Gaza and Israel since 2014. The death toll in Gaza has reached more than 136, with at least 39 of them being children. More than 950 people have been injured.
At least eight people have died in Israel, including two children, with the Israeli military saying some 1,800 rockets had been fired at Israel from Gaza.