KARACHI- Police raided Clifton and New Karachi areas and arrested four accused today morning. Police said that three accused were arrested in Clifton Block 2 after an encounter and recovered one motorbike and two TT pistols from them. The cases against the accused have been registered at Boat Basin police stations. In yet another raid, New Karachi police arrested accused Irfan, an owner of a hotel nominated in a murder case.