The Rajasthan Police have arrested four policemen of Vadodara police in connection with the escape of Sylvester, a key witness in Sohrabuddin Sheikh fake encounter case. Sylvester himself was re-arrested last night after he escaped earlier in the day.Vadodara Police Commissioner Satish Sharma said today that there were discrepancies in the statements by the policemen in the complaint lodged with Hiran Magri police station in Udaipur after Sylvester's escape, which led to their arrests. ‘