Mr Blair's position has been called into question by several MPs since last Thursday's General Election, when Labour won an historic third successive term in power but saw its majority cut from 161 to a projected 66.The Invincible Poodle, in a manner of speaking.
Mr Blair - who was finalising the post-election reshuffle of the ministerial ranks - will seek to shore up his position on Wednesday when, in an appearance before the Parliamentary Labour Party at Westminster, he is expected to underline his commitment to serving a full third term and call for tighter party discipline.
But the chorus calling for him to step down continued to swell.
Blair faces growing chorus to quit
Reminiscent of Tim Blair reminiscing.