Former Chhattisgarh chief minister Ajit Jogi's vehicle was attacked on Thursday morning by unidentified persons near Girwar village in Marwahi constituency, police said.
The assailants pelted stones on the vehicle when Jogi was traveling through his assembly constituency in Bilaspur district, they said.
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Though the vehicle was damaged, Jogi was unhurt, police said.
After the incident, the Congress leader's security has been beefed up. The police have registered a case against unidentified persons.