The Israeli military said on Tuesday that missiles had been launched from Iran towards Israel, and that its home front command had provided life-saving guidelines to people in various parts of the country.
Earlier, the military had announced that any ballistic missile strike from Iran was expected to be widespread and told the public to shelter in safe rooms in the event of an attack.
The Israeli army also said Israel's airspace was closed following the Iranian attack.
The firing of missiles came after Israeli troops launched ground raids into Lebanon, in the biggest escalation of regional warfare since fighting erupted in Gaza a year ago.
Iran has vowed to retaliate following attacks that killed the top leadership of its Hezbollah allies in Lebanon.
Iran's Revolutionary Guards said the country had launched tens of missiles at Israel, and that if Israel retaliated, Tehran's response would be more crushing.
In Washington, President Joe Biden said the United States was prepared to help Israel defend itself.
Meanwhile, four people were killed and seven wounded in a shooting attack in the Jaffa neighbourhood of Tel Aviv on Tuesday. Israeli police said the two shooters had been "neutralised" and the situation was under control.
The suspect in a deadly school shooting in western Canada has been identified as an 18-year-old woman with mental health issues who killed her mother and stepbrother before attacking her former school.
India on Thursday gave initial clearance for a 3.6-trillion-rupee ($40 billion) boost to the country's armed forces, including procurement of more Rafale fighter jets for the air force and Boeing P-8I reconnaissance aircraft for the navy.
US messenger app WhatsApp, owned by Meta Platforms, has been completely blocked in Russia for failing to comply with local law, the Kremlin said on Thursday, suggesting Russians turn to a state-backed "national messenger" instead.
Russia pounded Ukraine with drones and ballistic missiles overnight on Thursday, further battering its energy system and leaving tens of thousands in the capital Kyiv and the cities of Dnipro and Odesa without heat, power and water, officials said.
Bangladeshis lined up outside polling booths on Thursday as voting began in a pivotal election for the country after the 2024 ouster of long‑time premier Sheikh Hasina in a Gen Z‑driven uprising.