CHICAGO, April 7 (UPI) -- U.S. Rep. Jesse Jackson Jr., D-Ill., has been queried by federal investigators probing the actions of former Illinois Gov. Rod Blagojevich, sources say.

CHICAGO, Dec. 22 (UPI) -- A key player in the corruption scandal surrounding Illinois Gov. Rod Blagojevich is seeking immunity for his cooperation in the investigation, officials said.

CHICAGO, Dec. 17 (UPI) -- U.S. Rep. Jesse Jackson Jr., D-Ill., contends Illinois Gov. Rod Blagojevich may have sought revenge on him when he reneged on a 2002 contribution, sources say.

CHICAGO, Dec. 13 (UPI) -- U.S. Rep. Jesse Jackson Jr., D-Ill., says he is not prepared to serve as a senator until he clears his name in the Illinois Gov. Rod Blagojevich probe.

WASHINGTON, Dec. 12 (UPI) -- U.S. Rep. Jesse Jackson Jr. has gone from leading candidate to long shot to succeed President-elect Barack Obama as Illinois' junior senator, observers said.

CHICAGO, Dec. 12 (UPI) -- Federal officials say they want to talk to U.S. Rep. Jesse Jackson Jr. about "pay-to-play" allegations in the scandal surrounding the Illinois governor.

CHICAGO, Dec. 10 (UPI) -- U.S. Rep. Jesse Jackson Jr. denied Wednesday authorizing making an offer to Illinois Gov. Rod Blagojevich about President-elect Barack Obama's Senate seat.

CHICAGO, Nov. 11 (UPI) -- U.S. Rep. Jesse Jackson Jr. is a favorite among possible replacements to fill the Senate seat being vacated by President-elect Barack Obama, a poll indicates.

CHICAGO, Aug. 2 (UPI) -- Speculation is rife over who would be appointed to fill Barack Obama's U.S. Senate seat should the Illinois Democrat be elected president, observers say.