Liz Cheney refuses to rule out run for president in bid to thwart Trump

• Leading Republican vows to do whatever it takes' to stop Trump
• Cheney: It's an ongoing threat. Silence is not an option'

Liz Cheney has refused to rule out running for US president if it would prevent Donald Trump from ever taking charge of the White House again, saying she will do whatever it takes" to stop her fellow Republican.

Cheney, who on Wednesday was ousted as House Republican conference chair by her colleagues, in a voice vote behind closed doors, was asked three times on NBC's Today show in an interview aired on Thursday whether she would run to stymie a comeback by the former president.