LUCKNOW, Feb. 24 -- The Uttar Pradesh Special Task Force (STF) on Monday uncovered an alleged impersonation racket during the Class 10 English subject examination conducted by the Uttar Pradesh Madhyamik Shiksha Parishad (UP Board), arresting a school principal and a solver in Ghazipur district. According to an STF press note, the arrests were made at Bhagelu Das Inter College in Karuvi Bahlolpur under Dullahpur police station limits during the first shift of the examination. The accused were identified as Vindhyachal Yadav, principal of the college and a resident of Karuvi Bahlolpur in Ghazipur, and Shivam Yadav, a resident of Kandheri under Sarayalkhansi police station in Mau district, who was allegedly appearing in the examination in place of another candidate. STF officials said they had received information that mass cheating was allegedly being facilitated at the centre and that solvers were allegedly appearing in place of registered candidates in exchange for money. Acting on the input, an STF team from the Varanasi unit, led by inspector Anil Kumar Singh, reached the centre along with static magistrates and conducted checks in several rooms. Officials said a Class 10 English question paper, answer sheet, OMR sheet, admit card, Aadhaar card and two mobile phones were recovered from the spot....