LITTLE ROCK ó Hot Springs lawyer and businessman Q. Byrum Hurst filed Tuesday to seek the Democratic nomination for the 4th District congressional seat.

LITTLE ROCK ó Hot Springs lawyer and businessman Q. Byrum Hurst filed Tuesday to seek the Democratic nomination for the 4th District congressional seat.

He joins state Sen. Gene Jeffress, D-Louann, who filed for the office last week.

Three Republicans filed for the 4th District seat last week: Tom Cotton of Dardanelle, John Cowart of Genoa and Beth Anne Rankin of Magnolia.

The incumbent, Democrat Mike Ross of Prescott, has said he will not seek re-election.

Also Tuesday, Arkansas State University economics professor Gary Latanich of Jonesboro filed Tuesday to seek the Democratic nomination for Arkansasí 1st District congressional seat.

Latanich joins state Rep. Clark Hall, D-Marvell, who filed for the same office on Monday. The incumbent, Republican Rick Crawford of Jonesboro, filed for re-election last week.

Also, papers were filed Tuesday in Arkansas on behalf of President Barack Obama and Republican presidential candidate Ron Paul.

Gary Moody, Obamaís state campaign director, filed papers and paid the state Democratic Partyís $2,500 filing fee, said state party spokeswoman Candace Martin.

State GOP spokeswoman Katherine Vasilos said Paulís state coordinator, Monica Serrano, filed papers for the Texas congressman and paid the GOPís $25,000 filing fee.

The campaigns of Newt Gingrich, Mitt Romney and Rick Santorum filed last week to appear on the Arkansas ballot.