The security has been tightened up in Madhya Pradesh's Jhabua on August 19 amid speculation of terror threat. There is high alert over possible presence of Afghan-origin terrorists in the state. The alert has been sounded in bordering districts of Jhabua, Alirajpur, Dhar, Ratlam, Mandsaur, Neemuch and Agar-Malwa. After the high alert was sounded, police have started heightened checking at around 10 security checkpoints. The police are also conducting search operations in trains which are coming from Rajasthan and Gujarat into Madhya Pradesh.