The Andhra Pradesh Police has stepped up security and intensified patrolling at the venues where Gujarat Chief Minister Narendra Modi is participating in election campaigns in the State, in view of the twin bomb blasts at Chennai Central Railway Station.

Mr. Modi is scheduled to address a series of public meetings at Madanapalli, Nellore, Guntur, Bhimavaram and Visakhapatnam in Seemandhra region on Thursday along with Telugu Desam Party (TDP) president N. Chandrababu Naidu and Janasena party chief Pawan Kalyan.