Medininagar: A cylinder bomb, suspected to have been planted by Maoists, was found under a bridge in Jharkhand's Palamu district on Saturday, police said.
Superintendent of Police Reeshma Ramesan said that a massive search operation was under way on all important roads of the district in view of the Lok Sabha polls.
"In the course of the operation, the explosive was detected under a bridge in Panki police station area," she said.
The explosive weighed around 5 kg, she added.