The warning came on the fourth day of the conflict, when the Israeli military claimed it had achieved air superiority over the Iranian capital and could fly over the city without facing major threats.

The Israel Defense Forces said alerts were activated in several areas of the country after the detection of missiles launched from Iran toward Israel. The Air Force was working to intercept them, the IDF said.

Israel and Iran exchanged fire for the fourth consecutive day on Monday, stocking fears of an all-out war with the potential to drag in others in the oil-rich region and force the US into a more hands-on stance.

Prime Minister Benjamin Netanyahu of Israel presented Iran’s sophisticated ballistic missiles as a critical threat to Israel’s survival.

The death toll grew Sunday as Israel and Iran exchanged missile attacks for a third straight day, with Israel warning that worse is to come.

The war between Israel and Iran is in its fourth day, with Israel striking at military sites and Iran's nuclear program and Iran firing missiles in retaliation

Israel’s military says the latest missiles from Iran are incoming, and explosions are heard overhead in parts of Israel, including Tel Aviv. Iran state television has announced the latest missiles.