Three militants were killed and a landmine was detected in a border village in Jammu and Kashmir since Monday night, a police spokesman said on Tuesday. A militant of al-Badr outfit was killed in a gunbattle in Manjakote area of Poonch district in Jammu. Two more militants of the Pakistan-based Lashkar-e-Taiba outfit were shot dead by security forces in Sopore township of Baramulla district, he said. Acting on specific information, Army troops recovered a live landmine in an agricultural field near the border in Khoda village of Dayalachak belt of Kathua district, official sources said. The mine was later defused, the sources said.