Bengaluru: Four teams have been formed by police as part of its probe into the murder of noted Kannada progressive thinker and scholar M M Kalburgi, who was shot dead at his residence at Dharwad in north Karnataka on Sunday.

Hubballi-Dharwad Police Commissioner P H Rane told PTI, "Investigation is going on, we have formed four teams; teams will also be travelling to Maharashtra and other parts of the state as part of their probe."