LOS ANGELES (CBSLA.com) — Several 9/11 memorial ceremonies will be held this weekend to honor those who died during the terrorist attacks of Sept. 11, 2001.

LAPD Chief Charlie Beck, Los Angeles Mayor Eric Garcetti and Los Angeles Fire Department Chief Ralph Terrazas will be on hand Friday at the annual Los Angeles Fire Department 9/11 Remembrance Ceremony at the Frank Hotchkin Memorial Training Center, 1700 Stadium Way. The ceremony begins at 9 a.m.

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Most of the ceremonies will be held Sunday.

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The Los Angeles County Sheriff’s Department, County of Los Angeles Fire Department, California Highway Patrol, U.S. Forest Service and California State Prisons will be on hand for a Remembrance Ceremony outside the main entrance of the Antelope Valley Mall, 1233 West Ave P, in Palmdale at 9 a.m.

In Long Beach, the community was invited to the city’s annual 9/11 Memorial Ceremony at Fire Station 8, 5365 E. 2nd Street, in Belmont Shore at 9 a.m., where a large piece of a World Trade Center will be on display for the ceremony and throughout the day.

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Anaheim will mark the 15th anniversary of the 2001 terrorist attacks with a Remembrance Ceremony and community service fair between 2 and 3:30 p.m. The on-site volunteer fair will feature nearly 40 non-profit organizations.