The Los Angeles area is home to the biggest diaspora of Iranians. The growing war between Iran and Israel has rattled this tight-knit community.

© Kendrick Brinson for The New York Times

The Los Angeles area is home to the biggest diaspora of Iranians. The growing war between Iran and Israel has rattled this tight-knit community.

© Kendrick Brinson for The New York Times

Armed agents in tactical gear threw flash-bang grenades to disperse a crowd in Los Angeles’s Fashion District. Later, agents fired less-than-lethal ammunition at protesters outside a detention center.

© Orlando Mayorquín/The New York Times