PATNA, June 20 -- A woman was allegedly shot dead by two unidentified assailants over a debt of Rs 1 lakh at Kharpar village under Panchrukhiya police station area in Patna early Friday, officers said. Police said that Sanjay Kumar bought a buffalo for Rs 2.5 lakh, paying only Rs 1.5 lakh. Two men arrived at his house demanding the remaining amount and an altercation broke out between both sides. Sanjay said, "One of the two men pulled out a pistol and tried to shoot me. However, the bullet hit my wife Rani Devi, 45, standing next to me." Rani was declared dead at a nearby hospital. A murder case has been registered. SDPO-2 Sadar Ranjan Kumar said, "Efforts are on to arrest the accused."...