A look at primary election results in Kentucky, Pennsylvania, Arkansas and Oregon

A look at primary results in Ky., Pa., Ark., Ore.

Results of Tuesday’s primary elections in four states — Kentucky, Pennsylvania, Arkansas and Oregon:

Kentucky race for Senate seat:

— Tea party-backed candidate Rand Paul captured GOP nomination, defeating GOP establishment candidate and Secretary of State Trey Grayson.

— Attorney General Jack Conway won Senate Democratic nomination, beating Lt. Gov. Daniel Mongiardo.

Kentucky races for House seats:

— Iraq and Afghanistan war veteran Todd Lally won Louisville’s 3rd District Republican race.

— Jim Holbert won the state’s lone contested Democratic primary for the right to face Republican Hal Rogers, who represents eastern Kentucky’s 5th District.

— Attorney and college teacher Andy Barr won Lexington’s 6th District GOP race.

Pennsylvania race for Senate seat:

— Rep. Joe Sestak took Democratic Senate nomination, ousting five-term veteran Sen. Arlen Specter.

— Former Rep. Pat Toomey won Republican Senate nomination.

Pennsylvania races for House seats:

— Democrat Mark Critz, an aide to the late Democratic Rep. John Murtha, defeated Republican businessman Tim Burns in a special election to serve the remaining months in Murtha’s term.

— Rep. Kathy Dahlkemper won Democratic primary over challenger Mel Marin.

Pennsylvania governor:

— Attorney General Tom Corbett captured Republican nomination.

— Allegheny County Executive Dan Onorato won Democratic nomination.

Arkansas race for Senate seat:

— Sen. Blanche Lincoln failed to win the majority of votes in the Democratic primary. Lincoln is headed toward a June 8 runoff with Lt. Gov. Bill Halter for her party’s nomination.

— Rep. John Boozman won Republican nomination for Senate.

Arkansas races for House seats:

— Rick Crawford was voted the GOP nominee in Arkansas’ 1st Congressional District for the seat being vacated by retiring Democratic Rep. Marion Berry.

— Former White House aide Tim Griffin defeated Scott Wallace to claim the Republican nomination for Arkansas’ 2nd District congressional seat being vacated by retiring Democratic Rep. Vic Snyder.

Oregon race for Senate seat:

— Sen. Ron Wyden won Democratic nomination to seek a third full term.

— Law professor Jim Huffman won Republican Senate nomination.

Oregon governor’s race:

— Former Gov. John Kitzhaber won Democratic nomination.

— Former professional basketball player Chris Dudley won the Republican nomination, defeating Allen Alley.