He was speaking from Deir al-Balah in central Gaza, where he and his family had sought shelter in an apartment building during Israel’s monthslong military offensive in the Palestinian enclave.

Abu Al-Qomasan said he was initially only told that his wife and children were at Al-Aqsa Martyrs Hospital.

But there, the worst awaited him: That the children he and his wife had welcomed to the world just four days ago had been killed, along with their mother, Joumana Arafa, and the twins’ maternal…