Dozens of others were injured overnight across Israel, the authorities said. Israel was striking military sites in Iran and the four-day-old conflict showed no sign of slowing.

TEL AVIV, Israel (AP) — Iran fired a new wave of missile attacks on Israel early Monday, killing at least five people, while Israel claimed in the fourth day of the conflict that it had now achieved “aerial superiority” over Tehran and could fly over the Iranian capital without facing major threats.

The State Department raised its travel advisory for Israel to Level 4, the highest level, amid airstrikes from Iran.

Israel launched an expanded assault on Iran on Sunday, targeting its energy industry and Defense Ministry headquarters, while Tehran unleashed a deadly barrage of missiles.

Petah Tikva, in central Israel, suffered some of the worst damage after Iran fired a huge wave of ballistic missiles overnight.

Israel says Iran is targeting civilians as the Israeli military hammers Iranian launch sites and says it controls Tehran's skies.