KOTTAYAM: The police carried out a search following an anonymous message of bomb blast in the district. The message obtained at the office of the DGP said that a native of Thalayolaparambu would carry out the attack. Following the message obtained four days back, the police took into custody the native of Thalayolaparambu. His house was searched. Security has been beefed up in the district. The call was through internet. The police is trying to trace the caller. The native of Thalayolaparambu is an accused in a murder case.