India National Investigation Agency (NIA) has reportedly made a "formal request" to Islamabad seeking permission to visit Pakistan to further investigate the attack on the Indian Air Force base in Punjab's Pathankot on January 2. According to Indian media, Interpol on Tuesday issued Red Corner notices against Maulana Masood Azhar, and his brother Abdul Rauf. The NIA has handed over the written request to the Ministry of External Affairs (MEA) that will forward it to Islamabad. According to the sources, the NIA's letter contains a proposal to record statements of Azhar, Rauf, and Shahid Latif and Kashif Jaan.