In a small, tight-knit town near Haifa in northern Israel, residents here never thought they would experience such horror.

Israel and Iran exchange missile attacks for a third day; nuclear sites hit, death tolls rise, airspace shut, U.S. warns Tehran against retaliation.

It follows daytime attacks from both sides, with Israeli strikes in Tehran continuing and Iran firing more missiles towards Israel.

The Israeli military said that its air force has struck a number of command centers of Iran’s Islamic Revolutionary Guard Corps. It said that the command centers, which were in Tehran, were used to direct proxy groups to launch attacks against Israel.

The fighting, which began on Friday with a surprise Israeli attack on Iran, has been some of the fiercest and most prolonged in the decades-long enmity between Israel and Iran, raising fears of a wider war that could draw in the United States and other powers.

The Israeli military claims its campaign has eliminated high-value targets, including nine senior scientists, and severely damaged Iran’s nuclear infrastructure. Iranian authorities confirmed damage to four critical buildings at the Isfahan uranium conversion facility,

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 to a broader regional conflict.

Israel has targeted Iranian energy infrastructure, including the world’s largest gas field, South Pars, which Iran shares with Qatar. CNN’s Becky Anderson speaks with analyst Firas Maksad about how this escalation poses a significant threat to global energy security.

Jonathan Conricus, a former IDF spokesperson, says Iran is "the weakest that I've ever seen it" after Israel's launch of Operation Rising Lion.