hello. i m boris sanchez with brianna keilar in washington and wolf blitzer live in tel aviv. breaking developments in the israel-hamas war. we re learning about the first idf casualties reported since israel started its ground incursion into gaza. we re going to begin with this explosion, images showing the result of a major blast on one of the largest refugee camps in gaza. reports are still coming in but dozens are dead and injured. those numbers are expected to rise. many are still under rubble according to the hospital director in gaza who is treating victims. the ministry of interior in the hamas-controlled enclave reported that 20 homes were key stroids. wolfe? destroyed. wolfe? it s very, very powerful what s going on here. the israel defense forces have not immediately responded to cnn s questions about that explosion at the refugee camp in gaza. meantime moments ago, right here in the heart of tel aviv we witnessed iron dome intercepting rockets that are com