JUNEAU (AP) - U.S. Sen. Lisa Murkowski ended the latest quarter with a big cash-on-hand advantage over conservative Republican rival Kelly Tshibaka, according to fundraising reports released July 15.

Murkowski, a Republican who has not officially announced plans for reelection next year, came into 2021 with about $1 million in her campaign coffers. She reported bringing in about $1.1 million during the most recent fundraising quarter and having $2.3 million available as of June 30, her report shows.

Tshibaka, a former state Department of Administration commissioner under Gov. Mike Dunleavy,...