Iran’s intelligence chief and other key senior officials have been killed in an Israeli airstrike — further decimating Tehran’s military leadership, according to the Israeli Defense Forces. Mohammed Kazemi,

The death toll is growing as Israel and Iran exchanged missile attacks for a third consecutive day on Sunday, and Israel is warning that worse is to come.

Israel and Iran kept up their attacks, killing and wounding civilians and raising concern among world leaders meeting in Canada this week that the biggest battle between the two old enemies could lead...