Iran and Israel intensified strikes on each other's infrastructure and territory over the weekend after Israel launched a surprise assault on its long-time enemy's military leadership and nuclear program.

CONFLICT ENTERS FOURTH DAY: Israel and Iran have begun a new round of attacks, as the conflict between the two heavily armed rivals enters its fourth day.

Good morning. Israel and Iran intensify their attacks on each other. Donald Trump orders ICE to expand deportations. And concert ticket prices are falling for the first time in years. Listen to the day’s top stories.

Tehran residents tell Newsweek the city is filled with fear and uncertainty, as old memories of past conflicts resurface alongside quiet defiance.

The president had opposed Israeli action against Iran but came to believe that Israel had reason to act and that the U.S. would have to lend some support.

Israel faced retaliation from Iran after launching missiles against Tehran's leadership and energy infrastructure as part of "Operation Rising Lion" this weekend. Iran's military responded with a wave of missile strikes against Israel,

President Trump rejected an Israeli plan in recent days to kill Iran's Supreme Leader Ayatollah Ali Khamenei, a senior U.S. official told USA TODAY.

Iran's Islamic Revolutionary Guard Corps on Sunday confirmed Israel killed its intelligence chief Mohammad Kazemi. In a Fox News interview, Israeli Prime minister Benjamin Netanyahu had said his country had killed Kazemi as part of a broader campaign targeting Iran's nuclear and military capability.