Former Khateeb of Lal Masjid Maulana Abdul Aziz has said due to sacrifices of Lal Masjid, sharia has been enforced in Swat and tribal areas. Maulana Aziz who was released from Adiala Jail on Thursday gave his first Friday sermon in the mosque after 21 months amid noisy slogan chanting. Security was stepped up around Lal Masjid as large number of people were present in the mosque to offer Friday prayers.