美联社新闻一分钟 AP 美国今日举行中期选举（在线收听）

This is AP News Minute.

Today is election day and voters began arriving at the polls at the crack of dawn. There are many highly contested races with control of House, Senate and governorships all at stake.

President Trump ended his midterm campaigning with a rally in Cape Girardrau, Missouri. He campaigned earlier in Indiana and Ohio.

Some 2,000 people from the Central American caravan have reached Mexico City. A local human right representative says the city is preparing to receive several thousand more.

And the body of Utah National Guard Major Brent Taylor arrived in the US early Tuesday. Taylor also was a mayor. Officials say he was killed in Afghanistan by an Afghan soldier he was training.