Miscreants set fire to an abandoned train coach in Tejgaon railway station area of the capital on Wednesday night.
The coach was set on fire around 9:30 pm, said Zainal Abedin, officer-in-charge of Dhaka Railway Police Station.
He said two seats of the abandoned coach were damaged in the blaze.
Police detained two susects from the spot.
Legal action is underway, the OC added.