(KUNA) -- A landmine Monday exploded near the Indo-Pakistani border in Ramgarh sub-sector of Jammu region in Indian-administered Jammu and Kashmir. According to the news agency Press Trust of India (PTI), wild animals stepped over an anti-personal mine in Ramgarh sub-sector resulting in a powerful explosion.Meanwhile, a gunman belonging to Hizb-ul-Mujahideen was arrested in Doda district of Indian-administered Jammu and Kashmir on Sunday night, news agency PTI reported Monday.