HOUSTON , Nov. 6, 2018 (Xinhua) -- A police car patrol on the road near a polling station in Houston, Texas, the United States, Nov. 6, 2018. U.S. voters began to cast their ballot in the midterm elections as the first polling stations opened Tuesday morning. (Xinhua/Wang Ying/IANS)moreHOUSTON , Nov. 6, 2018 (Xinhua) -- Voters queue to cast their ballots outside a polling station in Houston, Texas, the United States, Nov. 6, 2018. U.S. voters began to cast their ballot in the midterm elections as the first polling stations opened Tuesday morning. (Xinhua/Wang Ying/IANS)moreHOUSTON , Nov. 6, 2018 (Xinhua) -- A voter walks past campaign advertisement outside a polling station in Houston, Texas, the United States, Nov. 6, 2018. U.S. voters began to cast their ballot in the midterm elections as the first polling stations opened Tuesday morning. (Xinhua/Wang Ying/IANS)moreHOUSTON , Nov. 6, 2018 (Xinhua) -- A staff member helps a voter to confirm personal information outside a polling station in Houston, Texas, the United States, Nov. 6, 2018. U.S. voters began to cast their ballot in the midterm elections as the first polling stations opened Tuesday morning. (Xinhua/Wang Ying/IANS)moreHOUSTON, Nov. 6, 2018 (Xinhua) -- U.S. Democratic candidate for the House Lizzie Fletcher (C) speaks with a voter at a polling station in Houston, Texas, the United States, on Nov. 6, 2018. U.S. voters began to cast their ballots in the midterm elections as the first polling stations opened Tuesday morning. (Xinhua/Wang Ying/IANS)moreHOUSTON, Nov. 6, 2018 (Xinhua) -- U.S. Democratic candidate for the House Lizzie Fletcher (2nd R) and her husband are interviewed after casting their ballots at a polling station in Houston, Texas, the United States, on Nov. 6, 2018. U.S. voters began to cast their ballots in the midterm elections as the first polling stations opened Tuesday morning. (Xinhua/Wang Ying/IANS)moreHOUSTON, Nov. 6, 2018 (Xinhua) -- Voters register at a polling station in Houston, Texas, the United States, on Nov. 6, 2018. U.S. voters began to cast their ballots in the midterm elections as the first polling stations opened Tuesday morning. (Xinhua/Wang Ying/IANS)moreHOUSTON , Nov. 6, 2018 (Xinhua) -- Voters walk past a voting direction board outside a polling station in Houston, Texas, the United States, Nov. 6, 2018. U.S. voters began to cast their ballot in the midterm elections as the first polling stations opened Tuesday morning. (Xinhua/Wang Ying/IANS)moreHOUSTON , Nov. 6, 2018 (Xinhua) -- A voter walks out of a polling station in Houston, Texas, the United States, Nov. 6, 2018. U.S. voters began to cast their ballot in the midterm elections as the first polling stations opened Tuesday morning. (Xinhua/Wang Ying/IANS)moreHOUSTON, Nov. 6, 2018 (Xinhua) -- U.S. Democratic candidate for the House Lizzie Fletcher (Front) and her husband arrive at a polling station in Houston, Texas, the United States, on Nov. 6, 2018. U.S. voters began to cast their ballots in the midterm elections as the first polling stations opened Tuesday morning. (Xinhua/Wang Ying/IANS)moreHOUSTON, Nov. 6, 2018 (Xinhua) -- Staff members confirm voters' identities at a polling station in Houston, Texas, the United States, on Nov. 6, 2018. U.S. voters began to cast their ballots in the midterm elections as the first polling stations opened Tuesday morning. (Xinhua/Steven Song/IANS)moreHOUSTON, Nov. 6, 2018 (Xinhua) -- U.S. Republican candidate for the House John Culberson poses for a photo at a polling station in Houston, Texas, the United States, on Nov. 6, 2018. U.S. voters began to cast their ballots in the midterm elections as the first polling stations opened Tuesday morning. (Xinhua/Steven Song/IANS)more