Azalina Othman Said has filed an application to strike out the originating summons filed by former prime minister Dr Mahathir Mohamad, his son and three others who challenged the legitimacy of her appointment as Dewan Rakyat deputy speaker.

Azalina filed the application with Dewan Rakyat secretary Nizam Mydin Bacha Mydin, who was also named as one of the defendants in the summons, yesterday.