BIRGUNJ: Three persons including a police constable have been arrested on charge of abducting and extorting Rs 4, 00,000 from a businessman, on Sunday. Acting on a tip-off, a special team deployed from the Parsa District Police Office nabbed constable Arbinda Singh and two others; namely, Deepak Singh of Bhiswa, Birgunj-18 and Bhagawan Singh of Ranighat, Birgunj-14. According to DSP Raju Babu Shrestha, local business man Rajesh Sah Kanu was taken hostage by the alleged abductors. During the raid at Bhagawan Singh's house, police had discovered Rs 472,000 cash, bank vouchers, cheque books, land registration certificate and other financial documents which amounted to Rs 2.4 million, said police.