JAMMU, Mar 30: A suspected Improvised Explosive Device (IED) blast rocked a border hamlet in Jammu and Kashmir’s Kathua district, creating a huge crater in the ground, officials said Thursday.Security forces have been put on high alert in the border belts and along the Jammu-Pathankot highway following the blast that took place on Wednesday night.A live grenade was recovered following a search of the area on Thursday morning,