Police in a drive detained 18 snatchers at Golapbagh area of the capital’s Jatrabari on Wednesday night.During the drive police seized 40 mobile phone sets, 6 laptops and some lethal weapons from their possession.Police detained 18 snatchers on Wednesday while they were taking preparation for committing a robbery said Dhaka Metropolitan Police (DMP) through a mobile message.The detainees are involved in robbery for a long, claimed DMP.Details would be brief at media centre of Dhaka Metropolitan Police (DMP) at noon.