US House Speaker Nancy Pelosi said on Friday she spoke with the US top military leader about ensuring that "unstable" President Donald Trump does not launch a nuclear attack in his final days in office.

Iran PressIran news: As calls grow for Donald Trump's removal from office with just 12 days left in his term, House Speaker Nancy Pelosi said that she spoke to Joint Chiefs of Staff Chairman Mark Milley about precautions that could be taken to prevent the president from accessing nuclear codes.

“This morning, I spoke to the Chairman of the Joint Chiefs of Staff Mark Milley to discuss available precautions for preventing an unstable president from initiating military hostilities or accessing the launch codes and ordering a nuclear strike,” Pelosi wrote in a memo to House members on Friday.

“The situation of this unhinged President could not be more dangerous, and we must do everything that we can to protect the American people from his unbalanced assault on our country and our democracy.”

Pelosi was scheduled to discuss the next steps with House members, including potential new articles of impeachment against Trump. If they were to pass the House, Trump would be the first president to be impeached twice.

In her letter to Democratic colleagues, Pelosi also said she is prepared to launch impeachment proceedings against Trump if he does not voluntarily resign or if Vice President Mike Pence does not begin a process that allows him and the cabinet to remove the president.

"If the president does not leave office imminently and willingly, the Congress will proceed with our action," she said.

Meanwhile, federal authorities are opening a murder investigation into the death of a Capitol Hill police officer, Brian Sicknick, who was responding to the siege of the Capitol by Donald Trump’s supporters on Wednesday, CNN reported. 

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