Story highlights Rep. Al Green cites 'obstruction of justice' in calling for President Donald Trump impeachment

Top Democratic leaders have urged members to not raise the specter of impeachment

(CNN) The day before former FBI Director James Comey testifies before Congress about his interactions with President Donald Trump regarding his probe of Russia's interference in the 2016 campaign, a House Democrat plans to draft articles of impeachment.

Texas Rep. Al Green, who was the first House Democrat to call for the President's impeachment on the House floor last month, plans to move forward with the next legislative step at a Wednesday news conference on Capitol Hill.

"This is obstruction of justice," Green said in a statement Tuesday evening. "This will continue to be obstruction of justice regardless of testimony given by Mr. James Comey. This will remain obstruction of justice regardless of the findings of any investigation."

Top Democratic leaders on Capitol Hill have specifically urged members to not raise the specter of impeachment, arguing that they need to allow investigations already underway to uncover more details about the president and his team's actions.

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