A suspected cattle thief was beaten to death by a mob at Raishyabari, a border village of Tripura's Dhalai district on Tuesday. The victim was identified as Budhi Kumar Tripura. An officer from the Raishyabari police station informed that Mr Tripura, 36, had entered a cattle shed of a local villager late night on Tuesday. He was spotted by some local people, who raised an alarm and caught him. The mob thrashed him mercilessly, police said.