LAHORE - The Vigilance Cell of Traffic Police claimed to have arrested four persons, including two constables, involved in selling recruitment forms of constables in black market. In an official communiqu issued on Saturday it said the teams also recovered 18 recruitment forms from their possession and a case had been registered against them in Shahdara police station. The arrested constables were later identified as Husnain Rizwan, Faheem Akhtar and other persons Nisar and Younis. DIG Traffic Tariq Masood Yaseen has constituted a special intelligence cell, which will monitor the system of recruitment of constables.