With polls and pollsters pointing to Mitt Romney as a strong frontrunner in Tuesday’s winner-take-all GOP primary here, election officials in larger counties said returns of early ballots have been lower than expected.

Arizona Republicans head to the polls Tuesday to help pick a presidential nominee.

Critics of Maricopa County Sheriff Joe Arpaio ran a TV ad during the Republican presidential debate in Arizona that called for the lawman's resignation.

An Arizona House committee has approved a bill overturning a ban on political clothing and other materials such as buttons and signs within 75 feet of polling places.

Maricopa County Sheriff Joe Arpaio's lawyers urged an appeals court to reverse a ruling that barred his deputies who are enforcing Arizona's immigrant smuggling law from detaining people based solely on the suspicion that they're in the country illegally.

A group says it has collected nearly 100,000 online petitions signatures from across the country to demand that federal authorities prove their allegations that Maricopa County Sheriff Joe Arpaio's office has committed a wide range of civil rights violations.

An April 14 deadline has been set for lawyers for Maricopa County Sheriff Joe Arpaio and the U.S. Department of Justice to complete their attempt to resolve allegations that the sheriff's office has committed a wide range of civil rights violations.

Lawyers for Maricopa County Sheriff Joe Arpaio and the U.S. Department of Justice are meeting Monday in Phoenix in a bid to resolve allegations that the sheriff's office has committed a wide range of civil rights violations.

A judge has struck down an Arizona law that increased the amount state employees must contribute toward their pensions as unconstitutional.

A prominent national advocacy group for Latinos has joined a call for the self-proclaimed "America's toughest sheriff" to resign from office amid a wide range of civil rights violations, botched sex crimes investigations and other alleged abuses.