WASHINGTON (AP) — House Democrats are planning a rapid start to their push for impeachment of President Donald Trump, with hearings and depositions starting this week.

Democratic leaders have instructed committees to move quickly — and not to lose momentum — after revelations that Trump asked Ukrainian President Volodymyr Zelenskiy to investigate his potential 2020 Democratic challenger, Joe Biden, and his family. The action is beginning even though lawmakers left town Friday for a two-week recess.

The chairman of the House Intelligence Committee, Rep. Adam Schiff, D-Calif., says his committee...