What to know about Georgia’s primary as Republicans set sights on Senate

Georgia is set to hold its primary vote, drawing battle lines for the US midterm elections. The Republican contest to choose a challenger for Democratic Senator Jon Ossoff is among the most closely watched races. Five Republicans are vying to take on Ossoff, including two sitting US House members, Buddy Carter and Mike Collins, who have focused on being the staunchest ally to the US president. The Democratic gubernatorial candidate will also be chosen in the primary, with Keisha Lance Bottoms leading a crowded field.