"It is now permitted to leave protected spaces in northern Israel," the Israeli army said on Telegram.

It had previously warned that missiles launched from Iran were heading toward northern Israel, saying it was working to intercept the threat.

Israel and Iran traded missile fire for a fifth day on Tuesday, heightening fears the conflict could escalate or spill across borders.

After decades of enmity and a prolonged shadow war, Israel launched a surprise aerial campaign last week targeting sites across Iran, saying the attacks aimed to prevent its arch-foe from acquiring atomic weapons -- a charge Tehran denies.

Israel's strikes have killed at least 224 people, including top military commanders, nuclear scientists and civilians, according to Iranian authorities.

Iran's retaliatory strikes have killed at least 24 people in Israel, according to the prime minister's office.