CHARSADDA, Aug 16:The police seized explosives from a pick-up at a blockade at Yakghund checkpost and arrested three persons on Thursday.The police party led by SHO Gul Sheed Khan at Yakaghund checkpost, a few kilometers from Shabqadar, intercepted a Datsun (4409) and on search recovered 683 dynamites with 780 safety fuses hidden in secret captivities of the vehicle. The police also arrested three accused Kamal Syed, his son Syed Bacha and Wazirzada. The accused were under investigation.