Road users with warrants of arrests will be detained during Ops Selamat from April 29 until May 8, says Datuk Razarudin Husain.br br The Deputy Inspector-General of Police told reporters that after launching Ops Selamat on Tuesday (April 26), added that police will also use the 'In-Car Radar' at highways and main roads throughout the operation to detect any vehicle used in criminal activity or drivers who are wanted.