"Lambie served in the Australian army for 11 years, before being medically discharged in 2000 because of a back injury.

She will give evidence today and is expected to speak about a lengthy legal battle with the Department of Veterans’ Affairs over compensation.

Lambie, who called for a royal commission into defence force culture during her maiden Senate speech in 2014, has previously revealed she attempted suicide in 2009 as she struggled with an addiction to painkillers."

-- Guardian live blog.