President Mahmoud Ahmadinejad inaugurated 18,450 residential units in the northern province of Mazandaran Monday morning. President Ahmadinejad inaugurated the residential units of Maskan Mehr building project via video conference from the provincial governor\'s office. Ahmadinejad, heading a delegation arrived in Sari, the capital of Mazandaran province, this morning. During his day-long stay, he is to participate in a ceremony to commemorate the 2nd death anniversary of former interior minister, Ali Kordan in this province.