Telangana Rashtra Samiti (TRS) president K Chandrasekhara Rao was arrested on Sunday in Andhra Pradesh's Karimnagar district as he was heading to Medak district to launch a fast unto death, demanding separate statehood for Telangana region, officials said.

Chandrasekhara Rao was going to Siddipet town in Medak, about 100 km from here, when he was taken into custody. The Mahabubnagar MP had vowed a fight to the finish by sitting on a fast unto death from 11 am near the Martyrs Memorial at Siddipet.