KATHMANDU: A group of unidentified persons set a parked motorbike on fire in Thahiti of Kathmandu on Friday night. The two-wheeler (Ba 13 Pa 7215) was completely destroyed in the incident, police said on Saturday. The bike was parked at the house of Dhruba Manandhar in Thahiti, KMC-16. Police are searching for suspects and are looking into the case.