A mob beat up a former Bihar minister's son to death on Sunday, allegedly for stealing a car, police said.

Rajeev Kumar Sahni, former minister Ramashray Sahni's son, was caught allegedly stealing a car at Asnichak near Dalsingh Sarai in Samastipur, a district police official said.

"Sahni was beaten to death after getting caught while stealing a car," the official said.

He was allegedly arrested for stealing vehicles in the past as well.