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Welcome to First FT. Here are today's top stories. Samsung's heir apparent has been arrested for bribery, embezzlement, and perjury in connection with the spiralling corruption scandal. Lee Jae-yong was detained in the move that could hinder the succession and restructuring plans for South Korea's biggest conglomerate. Prosecutors are focusing on $37 million in payments made by Samsung to entities allegedly linked to a friend of President Park Gen-hye.
US president Donald Trump is trying to persuade Robert Harward, a retired Navy special forces officer to become the new national security adviser. Mr Harward has reportedly told the president he not accept the position, which Michael Flynn was fired from a Monday after misleading the White House about his contacts with Russia's ambassador to Washington. And Israel has set out its global ambitions to become a medical marijuana supplier after taking the first steps to amend laws that will allow the export of the medical use of the product. This comes as several countries and US states are decriminalising the use of the drug. For more of today's top stories, go to ft.com/firstft.