Polls began closing across the United States on Tuesday evening in midterm elections that will decide whether US President Donald Trump’s Republicans keep control of Congress, after a day of voting disrupted by floods and machine glitches but largely free of the problems many had feared. The first polls closed at 6pm Eastern Time (7am Hong Kong time), with most states following over the next several hours. The last state to close polls will be Alaska, at 1am Eastern Time (2pm Hong Kong time)....