Texas Republicans tried again to reconvene the House on Monday for a vote on redrawing congressional maps in their party's favor, an effort that already sparked a national political brawl and prompted Democratic lawmakers to leave the state to deny Republicans the quorum they need.

Democrats who are eyeing Texas’ Senate seat next year have upped their ad spending and media appearances while embracing clashes with Republican leaders.

The battle over mid-decade redistricting in Texas -- where the state’s congressional lines could be redrawn well ahead of the upcoming census -- continues Monday.