Interpellate

[Sarah]

To question imperatively, as a minister, or other executiveofficer, in explanation of his conduct; -- generally on the part of alegislative body.

[Dianne]

(in a parliament) to formally ask a question of a government minister concerning a matter of policy :

[Jason Yan]

(in certain parliamentary systems) interrupt the order of the day by demanding an explanation from (the minister concerned).