A Delhi-bound private bus today caught fire near the Transport Nagar area of the district but there were no injuries.
Passengers raised an alarm after noticing smoke near the rear wheels after which the bus was evacuated, police said.
The fire was later doused.
Prima facie, it appeared the fire broke out due to a leakage in the diesel pipe, police said.
Meanwhile in Behror area of Alwar district, fire broke out in a Sikar-bound state road transport bus coming from Delhi.
There were no injuries but luggages of some of the passengers were gutted in the fire, police said.