SWAT (APP) - The Naib Ameer of Tehrik Nifaz-e-Shariat Muhammadi (TNSM) Ameer Zarif Khan along with six other militants surrendered himself before the security forces while four suspected persons have been arrested, officials said Sunday. Four militants including Ameer Zarif Khan at Manyar Village and two extremists at Sirsanai of Teshil Kabal and Charbagh tehsil surrendered before the security forces. Four suspected persons have been arrested from Odigram in the outskirts of Mingora town and Aboha village of Tehsil Barikot and were shifted them to undisclosed location for interrogation. Meanwhile, security forces have recovered huge quantity of arms and ammunition.