Protesting Indian farmers clashed with police for a second consecutive day on Wednesday as tens of thousands tried to march to the capital to demand guaranteed prices for their produce. Police fired tear gas at the farmers near the Shambhu border, which divides northern Punjab and Haryana states, about 200 kilometers (125 miles) from New Delhi. TV images also showed police using drones to drop tear gas canisters on the farmers, who tried to break through barricades made of cement blocks and barbed wires.