Air raid sirens rang out across Israel as Iran launched a missile attack on the country.
The rumble of explosions could be heard throughout Jerusalem, and Israeli TV stations showed plumes of smoke rising in Tel Aviv after an apparent missile strike. There were no immediate reports of casualties.
The army said dozens of missiles were launched.
The army has ordered residents across the country to move into bomb shelters.
Israel's firefighting service said its teams were responding to several "major" incidents resulting from an Iranian missile attack, including efforts to rescue people trapped in a high-rise building.
