HELENA, Mont. -

Four Republicans seeking to replace U.S. Rep. Steve Daines sparred over abortion but agreed on most other issues in their first debate.
    
Monday's Bozeman forum featured state Sens. Elsie Arntzen of Billings and Matt Rosendale of Glendive and former state Sens. Ryan Zinke of Whitefish and Corey Stapleton of Billings.
    
A fifth Republican seeking Daines' seat, Drew Turiano of Helena, was not invited to the forum.
    
Daines, a Republican, is running for U.S. Senate. Montana's GOP primaries are scheduled for June 3.