Assam, Apr 14 (ANI): Hours after the British royal couple visited the Kaziranga National park, a male adult rhino was killed and its horn taken away by armed poachers at around 11.10 pm on Wednesday night. As many as 88 cases of AK-47 cartridges were found from the spot. The carcass of the rhino was recovered from a place under Burhapahar range of the park.