Miscreants set three motorcycles ablaze in the High Court area on Wednesday afternoon.
The bikes were torched at the Mazar gate, main gate of National Eidgah and the HC gate around 4:40pm, said operator at the Fire Service and Civil Defence central control room Farid Uddin.
Three firefighting units rushed in and doused the flame within around 10 minutes, he said.
No casualty was reported in the incident, Farid said.