Democrat senator slapped with ethics complaint for using official webiste to push re-election campaign

Sen. Jon Tester, D-Mont., faces ethics complaint from government watchdog group.

Group says Tester posted news story announcing his re-election campaign to his Senate website.

Group: Tester violated Senate rules restricting use of congressional resources for campaign purposes.

Tester is facing what is expected to be one of the toughest Senate races in 2024 as Republicans seek to regain control.