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As tensions continued to escalate between the U.S. and Iran over the weekend following the killing of Iran’s top security and intelligence commander by an American military strike, worries about a draft rose among young people and antiwar protesters demonstrated in the streets in cities across the country.

[Read the latest updates on Iran and the U.S.]

That includes in San Francisco, where protesters marched down Market Street, and in San Jose, where The Mercury News reported that hundreds of Bay Area residents — a mix of college students, Chicano Brown Berets and other activists — gathered in front of City Hall on Saturday.

The Los Angeles Times reported that at least 200 people held signs bearing messages like “No War or sanctions on Iran …” and chanted “No More War,” as they marched through downtown.

As my colleague Jose Del Real reported, Southern California is home to the largest Iranian community outside of Iran. And in the heart of the enclave known as Tehrangeles, near U.C.L.A., feelings were mixed.