Number of COVID-19 patients rose to four as three more coronavirus positive cases were detected in Landi Kotal on Saturday. The in charge of the isolation ward in Headquarter(HQ) Hospital, Landi Kotal Dr Inayat Shinwari said that days back the three suspected were quarantined, established in HQ, Hospital and their sample had been sent to laboratory for test. Last day all the three were discovered coronavirus positive effectees that increase patients of the fatal disease to four in Landi Kotal. The newly patients were identified as Taj Nabi s/o Khyal Nabi, resident Piro Khel, Muhammad Hasan s/o Nooruddin of Mirdad Khel and Zorang Afridi s/o Jeetan hailing from Karmana, Bazaar Zakha Khel. Except Zorang Afridi, all the three efectees had come from Lahore in the same vehicle.