(Reuters) – Thailand went to the polls under heavy security on Sunday in an election that could push the divided country deeper into political turmoil and leave the winner paralyzed for months by street protests, legal challenges and legislative limbo. Voting started peacefully a day after seven people were wounded by gunshots and explosions during a clash between supporters and opponents of embattled Prime Minister Yingluck Shinawatra in a north Bangkok stronghold of her Puea Thai Party. […]