; and (B) file an emergency petition in the United States district court for the district involved to prohibit the approval of the application or the issuance of a letter of clearance under subsection (h), as the case may be. (3) (A) An emergency petition filed under paragraph (2) shall be granted upon a showing of probable cause to believe that the applicant, responsible person, or employee has committed or is furthering a plan to commit an act of terrorism. (B) An emergency petition filed under paragraph (2) may be granted only after a hearing— (i) of which the applicant, responsible person, or employee receives actual notice; and (ii) at which the applicant, responsible person, or employee has an opportunity to participate with counsel. (4) For purposes of this subsection— (A) the term known or suspected terrorist means a person determined by the Attorney General to be known (or appropriately suspected) to be or have been engaged in conduct constituting, in preparation for, in aid of, or related to terrorism, or providing material support or resources for terrorism; (B) the term material support or resources has the meaning given the term in section 2339A