Sen. Amy Klobuchar on Thursday launched her campaign to be Minnesota's next governor, a surprise twist in the race for the top job in the state as it experiences an unprecedented immigration enforcement operation that's ignited a national debate.

Democratic US Senator Amy Klobuchar has said she is running for governor in her home state of Minnesota amid the tumult of an ongoing immigration crackdown.

"Minnesotans, we've been through a lot," Klobuchar said in the video, going on to recount several tragedies the state has faced in recent months, including the separate shootings of two American citiz...