Pune, Dec 6: Amid a simmering border dispute between Maharashtra and Karnataka, activists of the Uddhav Thackeray-led Shiv Sena faction on Tuesday sprayed black and orange paints on at least three Karnataka state transport buses in Swargate area of Pune city.

They also wrote "Jai Maharashtra" on these buses. A local leader of Shiv Sena (Uddhav Balasaheb Thackeray) faction confirmed they painted the buses.

Workers of the Shiv Sena (UBT) faction sprayed at least two-three buses of Karnataka State Road Transport Corporation (KSRTC) with black paint. They also used an orange spray to write "Jai Maharashtra" on these buses.

"We have detained four to five people who painted the buses," a police officer said. Maharashtra-Karnataka Border Row: Coordinating Ministers Chandrakant Patil, Shambhuraj Desai’s Visit to Belagavi Postponed.

The border issue dates back to 1957 after the reorganisation of states on linguistic lines. Maharashtra laid claim to Belagavi, which was part of the erstwhile Bombay Presidency as it has a sizable Marathi-speaking population. It also laid claim to 814 Marathi-speaking villages which are currently part of Karnataka. Maharashtra-Karnataka Border Row: Maharashtra Deputy CM Ajit Pawar Seeks PM Narendra Modi's Intervention to Resolve State's Long Pending Boundary Dispute.

Belagavi district administration in Karnataka on Monday issued orders barring entry of the two Maharashtra ministers and leaders to the city. Prohibitory orders were issued under section 144 of CrPC, barring their entry, besides that of an MP, who are members of the Maharashtra High Power Committee on the Border Dispute. Karnataka Chief Minister Basavraj Bommai recently sought a merger of "Kannada-speaking" areas in Maharashtra's Akkalkot and Solapur and had also said some villages in Jat taluka in Sangli district wanted to join the southern state.