The National Investigation Agency today conducted search operations at five locations  in Malappuram and Kozhikode districts of Kerala as part of its investigation in the Gold Smuggling Case. <br />''<br />''The searches were conducted at the residences of 5 accused persons. During the searches, several electronic items and documents have been seized. So far, 21 accused have been arrested in the case. Further investigation is underway.<br />''<br />''<br />