Protest in Riverside

Immigrant protesters march in front of Dhalla Orthopedic Center to protest Dr. Vien Doan’s idea to arrange a sister city contract with Can Tho in Vietnam on Jan. 29, 2015, in Riverside.  (Gina Ferazzi / Los Angeles Times)

Quan Nguyen, left, and Tam Nguyen protest with about 200 others against the city of Riverside choosing to arrange a sister city contract with Can Tho in Vietnam on Jan. 29, 2015, outside Riverside City Hall.  (Gina Ferazzi / Los Angeles Times)

Protesters march in front of Dhalla Orthopedic Center to protest Dr. Vien Doan’s idea to arrange a sister city contract with Can Tho in Vietnam on Jan. 29, 2015, in Riverside.  (Gina Ferazzi / Los Angeles Times)

Aibai Dina, 81, of Little Saigon, center, protests with about 200 others against the city of Riverside choosing to arrange a sister city contract with Can Tho in Vietnam on Jan. 29, 2015, outside Riverside City Hall.  (Gina Ferazzi / Los Angeles Times)

Hundreds of protesters chant against the city of Riverside choosing to arrange a sister city contract with Can Tho in Vietnam on Jan. 29, 2015, outside Riverside City Hall.  (Gina Ferazzi / Los Angeles Times)

A protester holds a sign against the locked front doors of Dhalla Orthopedic Center to protest Dr. Vien Doan’s idea to arrange a sister city contract with Can Tho in Vietnam on Jan. 29, 2015, in Riverside.  (Gina Ferazzi / Los Angeles Times)