Police have arrested 10 persons, including a Bajrang Dal member, for allegedly vandalising the Congress' office in Jabalpur city of Madhya Pradesh during a protest against the party's poll promise in Karnataka to act against the right-wing outfit, an official said on Friday.

Of the 10 arrested so far, Sumit Singh Thakur has been identified as the main accused, Additional Superintendent of Police Priyanka Shukla told PTI.