Democratic lawmakers tried to build a case Friday that Republicans in Texas have engineered a rushed and unfair process for redrawing the state's congressional districts in response to a push by President Donald Trump to win more GOP seats that Democrats fear will spread to other states.

The first draft of the lower chamber’s new redistricting map targets Democratic members of Congress in the Austin, Dallas and Houston metro areas and in South Texas.

Democrats in and out of the state are exploring options to block or counter Republicans' controversial redistricting plan. Here is why the issue is so hot.