A policeman was killed and five others were critically injured in a landmine blast by Maoists near Maker police station in Bihar’s Saran district on Thursday.

Saran Superintendent of Police Mithilesh Kumar said the blast occurred in the afternoon when the head of Maker block Guddu Sharma was on way to his office, 75 km from Patna.

His vehicle was blown to pieces and Sharma’s bodyguard was killed on the spot, he said.

The five injured, including Sharma and his driver, were rushed to Patna Medical College and Hospital (PMCH), Mr. Kumar said.