Iranian Interior Minister Mostafa Mohammad Najjar will visit Pakistan tomorrow to discuss ways of cracking down on a Sunni rebel group behind a deadly attack on the elite Revolutionary Guards.<br/><br/> State television reported tonight that Najjar will head a large security delegation to Islamabad for talks with his Pakistani counterpart and other top officials on means of fighting Jundallah.<br/><br/> An interior ministry spokesman, Mehdi Azar Makan, said in Tehran today that Mostafa Mohammad Najjar will meet Pakistani officials, namely the interior minister, about the recent terrorist attack and ways of fighting against the terrorist group.