Authorities have killed two suspected poachers, arrested two others and found 11 rhino carcasses in the same area of South Africa's Kruger National Park in one week, a spokesman said Thursday.
Kenya will place microchips in the horn of every rhino in the country in a bid to stamp out a surge in poaching the threatened animals, wildlife officials said Wednesday.
Police in Vietnam have seized more than 700 kilograms (1,500 pounds) of rhino horns and elephant tusks believed to have originated from Mozambique, state media said Friday.
South African rangers on Thursday announced a plan to implant GPS devices in the horns of rhinos in a new effort to combat rampant poaching.
Two Vietnamese men were arrested at Johannesburg airport with a record haul of 18 rhino horns, weighing 41 kilos (90 pounds), during a stopover on a flight from Mozambique to Vietnam, South African police said Saturday.
Two South African men were charged Thursday by the US government with conspiracy to sell illegal rhinoceros hunts to American hunters, money laundering and secretly trafficking in rhino horns.
Poachers have killed more than 100 rhinos in South Africa over the past four weeks, pushing the death toll so far this year towards 800, official figures showed Friday.
Vietnamese customs have seized elephant tusks and rhino horns worth millions of dollars on the black market from a flight arriving from France, officials said Friday.
Czech authorities said Tuesday they had cracked an international gang smuggling horns of rare white rhinoceroses from South Africa to Asia, where they are prized in traditional medicine.