Unlike many developed nations, the United States largely does not regulate the sale of donated body parts, allowing entrepreneurs such as MedCure to expand exports rapidly during the last decade.
Britain will not be ready to make a full break from the European Union by the end of 2020, officials say.
The security in Anglophone Cameroon is quickly deteriorating as a growing secessionist movement has killed 22 soldiers and policemen in a campaign to split Cameroon's English-speaking minority from Yaounde. The fighting has become a threat to President Paul Biya's longstanding rule and to stability in the oil- and cocoa-producing Central African country where presidential elections are scheduled for October.
"I'm announcing today the United States of America will soon unveil the toughest and most aggressive round of economic sanctions on North Korea ever," Vice President Mike Pence said after meeting Japanese Prime Minister Shinzo Abe.
Calm has largely prevailed along the frontier since 2006, when Israel fought a war with Lebanon's heavily-armed Shi'ite Hezbollah movement. But tensions are rising.
North Korean leader Kim Jong-un's 28-year-old sister will make her debut on the world stage when she visits South Korea to attend the opening ceremony of the Winter Olympics on Friday, Seoul's Unification Ministry said.
World stock markets nosedived for a fourth day running on Tuesday, having seen $4 trillion wiped off from what just eight days ago had been record high values.
The fate of some 37,000 Africans in Israel is posing a moral dilemma for a state founded as haven for Jews from persecution and a national home.
The prime surviving suspect in the 2015 ISIS attacks on Paris said he would answer no questions as his trial in Belgium over a shooting that preceded his arrest got under way in Brussels on Monday.
Police named the suspected shooter as Luca Traini, 28, and said he had an Italian flag draped over his shoulders when he was seized in the street by armed police. Onlookers said he made a fascist salute before being handcuffed.