In pictures: Democrats win House, putting Trump under scrutiny

With a House majority, Democrats will have the power to investigate Trump's tax returns, possible business conflicts of interest and allegations involving his 2016 campaign's links to Russia.

US midterm polls 2018

Democrats rode a wave of dissatisfaction with President Donald Trump to win control of the US House of Representatives, giving them the opportunity to block Trump's agenda and open his administration to intense scrutiny.

US midterm polls 2018

With a House majority, Democrats will have the power to investigate Trump's tax returns, possible business conflicts of interest and allegations involving his 2016 campaign's links to Russia. 

They also could force Trump to scale back his legislative ambitions, possibly dooming his promises to fund a border wall with Mexico.

US midterm polls 2018

For the first time in eight years, Democrats took over control from the Republicans to hold House majority.

The results were a bitter outcome for Trump after a divisive campaign marked by fierce clashes over race, immigration and other cultural issues became a referendum on his leadership.

US midterm polls 2018

A simple House majority would be enough to impeach Trump if evidence surfaces that he obstructed justice or that his 2016 campaign colluded with Russia.

But Congress could not remove him from office without a conviction by a two-thirds majority in the Republican-controlled Senate.

US midterm polls 2018

Minority Leader Nancy Pelosi reacts to the results of the U.S. midterm elections. 

The final weeks before the election were marked by the mailing of pipe bombs to his top political rivals, with a political fan of Trump arrested and charged, and the mass shooting at a Pittsburgh synagogue in which 11 people died, 

US midterm polls 2018

Democrats turned out in droves to register disapproval of Trump's divisive rhetoric and policies on such issues as immigration and his travel ban targeting several Muslim-majority countries. 

A record number of women ran for office this election, many of them Democrats turned off by Trump's policy agenda.

US midterm polls 2018

A supporter of Democratic US Senate candidate Rep. Beto O’Rourke holds a portrait of the congressman as he awaits O'Rourke's arrival at his midterm election night party.

Meanwhile, Democrats will resume House control in January. 

US midterm polls 2018

The loss of power will test Donald Trump's ability to compromise, something he has shown little interest in over the last two years with Republicans controlling both chambers of Congress.