SACRAMENTO, Calif. (CBS/AP) — People who believe President Barack Obama was born in Africa have filed a lawsuit demanding California’s secretary of state verify the eligibility of presidential candidates before allowing them on the November ballot.

Minor party politicians and voters aligned with the so-called birthers movement filed the suit in Sacramento that also raises questions about Mitt Romney’s eligibility to run for president.

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Attorney Gary Kreep told the Los Angeles Times that stems from Romney’s parents living in Mexico for many years.

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The suit was filed by Republican primary write-in candidate John Albert Dummett Jr., Markham Robinson of the American Independent Party of California and others. Robinson was among those who claimed in 2009 Obama was ineligible to be president.

Obama has released a birth certificate showing he was born in Honolulu.

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